977089036 has 72 divisors (see below), whose sum is σ = 2241550080. Its totient is φ = 364103520.

The previous prime is 977089027. The next prime is 977089037. The reversal of 977089036 is 630980779.

It is not an unprimeable number, because it can be changed into a prime (977089037) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 71655 + ... + 84193.

It is an arithmetic number, because the mean of its divisors is an integer number (31132640).

Almost surely, 2^977089036 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 977089036, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1120775040).

977089036 is an abundant number, since it is smaller than the sum of its proper divisors (1264461044).

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

977089036 is a wasteful number, since it uses less digits than its factorization.

977089036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12595 (or 12582 counting only the distinct ones).

The product of its (nonzero) digits is 571536, while the sum is 49.

The square root of 977089036 is about 31258.4234407303. The cubic root of 977089036 is about 992.3039345206.

The spelling of 977089036 in words is "nine hundred seventy-seven million, eighty-nine thousand, thirty-six".