980078965 has 16 divisors (see below), whose sum is σ = 1206540720. Its totient is φ = 763822080.

The previous prime is 980078941. The next prime is 980078987. The reversal of 980078965 is 569870089.

It can be written as a sum of positive squares in 8 ways, for example, as 77316849 + 902762116 = 8793^2 + 30046^2 .

It is not a de Polignac number, because 980078965 - 2⁵ = 980078933 is a prime.

It is a super-3 number, since 3×980078965³ (a number of 28 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 154537 + ... + 160753.

It is an arithmetic number, because the mean of its divisors is an integer number (75408795).

Almost surely, 2^980078965 is an apocalyptic number.

It is an amenable number.

980078965 is a deficient number, since it is larger than the sum of its proper divisors (226461755).

980078965 is a wasteful number, since it uses less digits than its factorization.

980078965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7032.

The product of its (nonzero) digits is 1088640, while the sum is 52.

The square root of 980078965 is about 31306.2128817907. The cubic root of 980078965 is about 993.3150662402.

The spelling of 980078965 in words is "nine hundred eighty million, seventy-eight thousand, nine hundred sixty-five".