679926914 has 4 divisors (see below), whose sum is σ = 1019890374. Its totient is φ = 339963456.

The previous prime is 679926901. The next prime is 679926931. The reversal of 679926914 is 419629976.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 604323889 + 75603025 = 24583^2 + 8695^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 169981727 + ... + 169981730.

Almost surely, 2^679926914 is an apocalyptic number.

679926914 is a deficient number, since it is larger than the sum of its proper divisors (339963460).

679926914 is a wasteful number, since it uses less digits than its factorization.

679926914 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 339963459.

The product of its digits is 1469664, while the sum is 53.

The square root of 679926914 is about 26075.4082230749. The cubic root of 679926914 is about 879.3344287251.

The spelling of 679926914 in words is "six hundred seventy-nine million, nine hundred twenty-six thousand, nine hundred fourteen".