879790177400 has 96 divisors (see below), whose sum is σ = 2054482388640. Its totient is φ = 350374402560.

The previous prime is 879790177391. The next prime is 879790177429. The reversal of 879790177400 is 4771097978.

It is a self number, because there is not a number n which added to its sum of digits gives 879790177400.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 117662462 + ... + 117669938.

It is an arithmetic number, because the mean of its divisors is an integer number (21400858215).

Almost surely, 2^879790177400 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 879790177400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1027241194320).

879790177400 is an abundant number, since it is smaller than the sum of its proper divisors (1174692211240).

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

879790177400 is a wasteful number, since it uses less digits than its factorization.

879790177400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9993 (or 9984 counting only the distinct ones).

The product of its (nonzero) digits is 6223392, while the sum is 59.

The spelling of 879790177400 in words is "eight hundred seventy-nine billion, seven hundred ninety million, one hundred seventy-seven thousand, four hundred".