977013108 has 72 divisors (see below), whose sum is σ = 2565815616. Its totient is φ = 313219200.

The previous prime is 977013101. The next prime is 977013127. The reversal of 977013108 is 801310779.

It is a super-2 number, since 2×977013108² = 1909109226407639328, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (977013101) 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, 100135 + ... + 109457.

It is an arithmetic number, because the mean of its divisors is an integer number (35636328).

Almost surely, 2^977013108 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 977013108, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1282907808).

977013108 is an abundant number, since it is smaller than the sum of its proper divisors (1588802508).

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

977013108 is a wasteful number, since it uses less digits than its factorization.

977013108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9445 (or 9440 counting only the distinct ones).

The product of its (nonzero) digits is 10584, while the sum is 36.

The square root of 977013108 is about 31257.2088965090. The cubic root of 977013108 is about 992.2782304132.

The spelling of 977013108 in words is "nine hundred seventy-seven million, thirteen thousand, one hundred eight".