977165052 has 12 divisors (see below), whose sum is σ = 2280051816. Its totient is φ = 325721680.

The previous prime is 977164999. The next prime is 977165071. The reversal of 977165052 is 250561779.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 977164995 and 977165013.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40715199 + ... + 40715222.

It is an arithmetic number, because the mean of its divisors is an integer number (190004318).

Almost surely, 2^977165052 is an apocalyptic number.

It is an amenable number.

977165052 is an abundant number, since it is smaller than the sum of its proper divisors (1302886764).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

977165052 is a wasteful number, since it uses less digits than its factorization.

977165052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81430428 (or 81430426 counting only the distinct ones).

The product of its (nonzero) digits is 132300, while the sum is 42.

The square root of 977165052 is about 31259.6393453283. The cubic root of 977165052 is about 992.3296670851.

The spelling of 977165052 in words is "nine hundred seventy-seven million, one hundred sixty-five thousand, fifty-two".