977987088 has 80 divisors (see below), whose sum is σ = 3023139840. Its totient is φ = 300917376.

The previous prime is 977987081. The next prime is 977987107. The reversal of 977987088 is 880789779.

It is not an unprimeable number, because it can be changed into a prime (977987081) by changing a digit.

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, 81456 + ... + 92687.

It is an arithmetic number, because the mean of its divisors is an integer number (37789248).

Almost surely, 2^977987088 is an apocalyptic number.

It is an amenable number.

977987088 is an abundant number, since it is smaller than the sum of its proper divisors (2045152752).

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

977987088 is a wasteful number, since it uses less digits than its factorization.

977987088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174173 (or 174161 counting only the distinct ones).

The product of its (nonzero) digits is 14224896, while the sum is 63.

The square root of 977987088 is about 31272.7851014264. The cubic root of 977987088 is about 992.6078534816.

The spelling of 977987088 in words is "nine hundred seventy-seven million, nine hundred eighty-seven thousand, eighty-eight".