879771400 has 48 divisors (see below), whose sum is σ = 2093058000. Its totient is φ = 343721280.

The previous prime is 879771397. The next prime is 879771401. The reversal of 879771400 is 4177978.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is not an unprimeable number, because it can be changed into a prime (879771401) 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 11 ways as a sum of consecutive naturals, for example, 42550 + ... + 59749.

It is an arithmetic number, because the mean of its divisors is an integer number (43605375).

Almost surely, 2^879771400 is an apocalyptic number.

It is an amenable number.

879771400 is an abundant number, since it is smaller than the sum of its proper divisors (1213286600).

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

879771400 is a wasteful number, since it uses less digits than its factorization.

879771400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102358 (or 102349 counting only the distinct ones).

The product of its (nonzero) digits is 98784, while the sum is 43.

The square root of 879771400 is about 29660.9406459067. The cubic root of 879771400 is about 958.2009855461.

The spelling of 879771400 in words is "eight hundred seventy-nine million, seven hundred seventy-one thousand, four hundred".