977284888925 has 12 divisors (see below), whose sum is σ = 1217171741856. Its totient is φ = 778383730800.

The previous prime is 977284888861. The next prime is 977284888949. The reversal of 977284888925 is 529888482779.

It is a happy number.

It is not a de Polignac number, because 977284888925 - 2⁶ = 977284888861 is a prime.

It is a super-2 number, since 2×977284888925² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 86098721 + ... + 86110070.

It is an arithmetic number, because the mean of its divisors is an integer number (101430978488).

Almost surely, 2^977284888925 is an apocalyptic number.

It is an amenable number.

977284888925 is a deficient number, since it is larger than the sum of its proper divisors (239886852931).

977284888925 is a wasteful number, since it uses less digits than its factorization.

977284888925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172209028 (or 172209023 counting only the distinct ones).

The product of its digits is 1300561920, while the sum is 77.

The spelling of 977284888925 in words is "nine hundred seventy-seven billion, two hundred eighty-four million, eight hundred eighty-eight thousand, nine hundred twenty-five".