679751428 has 12 divisors (see below), whose sum is σ = 1195794432. Its totient is φ = 338095880.

The previous prime is 679751389. The next prime is 679751431. The reversal of 679751428 is 824157976.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 444100 + ... + 445627.

It is an arithmetic number, because the mean of its divisors is an integer number (99649536).

Almost surely, 2^679751428 is an apocalyptic number.

It is an amenable number.

679751428 is a deficient number, since it is larger than the sum of its proper divisors (516043004).

679751428 is a wasteful number, since it uses less digits than its factorization.

679751428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 889922 (or 889920 counting only the distinct ones).

The product of its digits is 846720, while the sum is 49.

The square root of 679751428 is about 26072.0430346377. The cubic root of 679751428 is about 879.2587714959.

The spelling of 679751428 in words is "six hundred seventy-nine million, seven hundred fifty-one thousand, four hundred twenty-eight".