982878047 has 4 divisors (see below), whose sum is σ = 1005735720. Its totient is φ = 960020376.

The previous prime is 982878041. The next prime is 982878079. The reversal of 982878047 is 740878289.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 740878289 = 1811 ⋅409099.

It is a cyclic number.

It is not a de Polignac number, because 982878047 - 2¹⁶ = 982812511 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 982878047.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (982878041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11428772 + ... + 11428857.

It is an arithmetic number, because the mean of its divisors is an integer number (251433930).

Almost surely, 2^982878047 is an apocalyptic number.

982878047 is a deficient number, since it is larger than the sum of its proper divisors (22857673).

982878047 is a wasteful number, since it uses less digits than its factorization.

982878047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22857672.

The product of its (nonzero) digits is 1806336, while the sum is 53.

The square root of 982878047 is about 31350.8859045482. The cubic root of 982878047 is about 994.2597954313.

The spelling of 982878047 in words is "nine hundred eighty-two million, eight hundred seventy-eight thousand, forty-seven".