679154312 has 16 divisors (see below), whose sum is σ = 1273726860. Its totient is φ = 339493824.

The previous prime is 679154309. The next prime is 679154317. The reversal of 679154312 is 213451976.

It can be written as a sum of positive squares in 2 ways, for example, as 678810916 + 343396 = 26054^2 + 586^2 .

It is a super-2 number, since 2×679154312² = 922501159016386688, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (679154317) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36818 + ... + 52094.

Almost surely, 2^679154312 is an apocalyptic number.

It is an amenable number.

679154312 is a deficient number, since it is larger than the sum of its proper divisors (594572548).

679154312 is a wasteful number, since it uses less digits than its factorization.

679154312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20840 (or 20836 counting only the distinct ones).

The product of its digits is 45360, while the sum is 38.

The square root of 679154312 is about 26060.5892489023. The cubic root of 679154312 is about 879.0012394700.

It can be divided in two parts, 67915 and 4312, that added together give a palindrome (72227).

The spelling of 679154312 in words is "six hundred seventy-nine million, one hundred fifty-four thousand, three hundred twelve".