874577990 has 64 divisors (see below), whose sum is σ = 1929940992. Its totient is φ = 280790400.

The previous prime is 874577987. The next prime is 874578017. The reversal of 874577990 is 99775478.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19595 + ... + 46185.

It is an arithmetic number, because the mean of its divisors is an integer number (30155328).

Almost surely, 2^874577990 is an apocalyptic number.

874577990 is an abundant number, since it is smaller than the sum of its proper divisors (1055363002).

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

874577990 is a wasteful number, since it uses less digits than its factorization.

874577990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26645.

The product of its (nonzero) digits is 4445280, while the sum is 56.

The square root of 874577990 is about 29573.2647842608. The cubic root of 874577990 is about 956.3117997851.

The spelling of 874577990 in words is "eight hundred seventy-four million, five hundred seventy-seven thousand, nine hundred ninety".