679504494 has 16 divisors (see below), whose sum is σ = 1360069200. Its totient is φ = 226324800.

The previous prime is 679504471. The next prime is 679504499. The reversal of 679504494 is 494405976.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (679504499) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35719 + ... + 51330.

It is an arithmetic number, because the mean of its divisors is an integer number (85004325).

Almost surely, 2^679504494 is an apocalyptic number.

679504494 is an abundant number, since it is smaller than the sum of its proper divisors (680564706).

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

679504494 is a wasteful number, since it uses less digits than its factorization.

679504494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88355.

The product of its (nonzero) digits is 1088640, while the sum is 48.

The square root of 679504494 is about 26067.3069955452. The cubic root of 679504494 is about 879.1522888549.

The spelling of 679504494 in words is "six hundred seventy-nine million, five hundred four thousand, four hundred ninety-four".