486927978 has 16 divisors (see below), whose sum is σ = 974902176. Its totient is φ = 162134960.

The previous prime is 486927937. The next prime is 486928019. The reversal of 486927978 is 879729684.

It is an interprime number because it is at equal distance from previous prime (486927937) and next prime (486928019).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37476 + ... + 48767.

It is an arithmetic number, because the mean of its divisors is an integer number (60931386).

Almost surely, 2^486927978 is an apocalyptic number.

486927978 is an abundant number, since it is smaller than the sum of its proper divisors (487974198).

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

486927978 is a wasteful number, since it uses less digits than its factorization.

486927978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87189.

The product of its digits is 12192768, while the sum is 60.

The square root of 486927978 is about 22066.4446162040. Note that the first 3 decimals coincide. The cubic root of 486927978 is about 786.7225096414.

The spelling of 486927978 in words is "four hundred eighty-six million, nine hundred twenty-seven thousand, nine hundred seventy-eight".