977873104 has 40 divisors (see below), whose sum is σ = 2048072040. Its totient is φ = 449622528.

The previous prime is 977873101. The next prime is 977873123. The reversal of 977873104 is 401378779.

It can be written as a sum of positive squares in 4 ways, for example, as 92929600 + 884943504 = 9640^2 + 29748^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (977873101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47214 + ... + 64690.

It is an arithmetic number, because the mean of its divisors is an integer number (51201801).

Almost surely, 2^977873104 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 977873104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1024036020).

977873104 is an abundant number, since it is smaller than the sum of its proper divisors (1070198936).

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

977873104 is a wasteful number, since it uses less digits than its factorization.

977873104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17767 (or 17761 counting only the distinct ones).

The product of its (nonzero) digits is 296352, while the sum is 46.

The square root of 977873104 is about 31270.9626330882. The cubic root of 977873104 is about 992.5692893019.

The spelling of 977873104 in words is "nine hundred seventy-seven million, eight hundred seventy-three thousand, one hundred four".