679737852 has 48 divisors (see below), whose sum is σ = 1805277600. Its totient is φ = 221051520.

The previous prime is 679737833. The next prime is 679737857. The reversal of 679737852 is 258737976.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (679737857) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 72327 + ... + 81182.

It is an arithmetic number, because the mean of its divisors is an integer number (37609950).

Almost surely, 2^679737852 is an apocalyptic number.

It is an amenable number.

679737852 is an abundant number, since it is smaller than the sum of its proper divisors (1125539748).

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

679737852 is a wasteful number, since it uses less digits than its factorization.

679737852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153563 (or 153555 counting only the distinct ones).

The product of its digits is 4445280, while the sum is 54.

The square root of 679737852 is about 26071.7826778301. The cubic root of 679737852 is about 879.2529179363.

The spelling of 679737852 in words is "six hundred seventy-nine million, seven hundred thirty-seven thousand, eight hundred fifty-two".