977145092 has 48 divisors (see below), whose sum is σ = 2166944640. Its totient is φ = 374457600.

The previous prime is 977145083. The next prime is 977145101. The reversal of 977145092 is 290541779.

It is an interprime number because it is at equal distance from previous prime (977145083) and next prime (977145101).

It is a Harshad number since it is a multiple of its sum of digits (44).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7217 + ... + 44792.

It is an arithmetic number, because the mean of its divisors is an integer number (45144680).

Almost surely, 2^977145092 is an apocalyptic number.

It is an amenable number.

977145092 is an abundant number, since it is smaller than the sum of its proper divisors (1189799548).

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

977145092 is a wasteful number, since it uses less digits than its factorization.

977145092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52092 (or 52090 counting only the distinct ones).

The product of its (nonzero) digits is 158760, while the sum is 44.

The square root of 977145092 is about 31259.3200821771. The cubic root of 977145092 is about 992.3229104528.

The spelling of 977145092 in words is "nine hundred seventy-seven million, one hundred forty-five thousand, ninety-two".