874944978 has 32 divisors (see below), whose sum is σ = 1828224000. Its totient is φ = 278624016.

The previous prime is 874944977. The next prime is 874944991. The reversal of 874944978 is 879449478.

It is not an unprimeable number, because it can be changed into a prime (874944977) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 123373 + ... + 130271.

It is an arithmetic number, because the mean of its divisors is an integer number (57132000).

Almost surely, 2^874944978 is an apocalyptic number.

874944978 is an abundant number, since it is smaller than the sum of its proper divisors (953279022).

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

874944978 is a wasteful number, since it uses less digits than its factorization.

874944978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7846.

The product of its digits is 16257024, while the sum is 60.

The square root of 874944978 is about 29579.4688593288. The cubic root of 874944978 is about 956.4455427184.

The spelling of 874944978 in words is "eight hundred seventy-four million, nine hundred forty-four thousand, nine hundred seventy-eight".