982078465 has 4 divisors (see below), whose sum is σ = 1178494164. Its totient is φ = 785662768.

The previous prime is 982078463. The next prime is 982078477. The reversal of 982078465 is 564870289.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 564870289 = 23767².

It can be written as a sum of positive squares in 2 ways, for example, as 699972849 + 282105616 = 26457^2 + 16796^2 .

It is a cyclic number.

It is not a de Polignac number, because 982078465 - 2¹ = 982078463 is a prime.

It is a super-2 number, since 2×982078465² = 1928956222833512450, which contains 22 as substring.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (982078463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 98207842 + ... + 98207851.

It is an arithmetic number, because the mean of its divisors is an integer number (294623541).

Almost surely, 2^982078465 is an apocalyptic number.

It is an amenable number.

982078465 is a deficient number, since it is larger than the sum of its proper divisors (196415699).

982078465 is a wasteful number, since it uses less digits than its factorization.

982078465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196415698.

The product of its (nonzero) digits is 967680, while the sum is 49.

The square root of 982078465 is about 31338.1311663603. The cubic root of 982078465 is about 993.9901085616.

The spelling of 982078465 in words is "nine hundred eighty-two million, seventy-eight thousand, four hundred sixty-five".