679506357 has 4 divisors (see below), whose sum is σ = 906008480. Its totient is φ = 453004236.

The previous prime is 679506343. The next prime is 679506361. The reversal of 679506357 is 753605976.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 679506357 - 2⁴ = 679506341 is a prime.

It is a super-2 number, since 2×679506357² = 923457778406822898, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (679506257) 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, 113251057 + ... + 113251062.

It is an arithmetic number, because the mean of its divisors is an integer number (226502120).

Almost surely, 2^679506357 is an apocalyptic number.

It is an amenable number.

679506357 is a deficient number, since it is larger than the sum of its proper divisors (226502123).

679506357 is a wasteful number, since it uses less digits than its factorization.

679506357 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226502122.

The product of its (nonzero) digits is 1190700, while the sum is 48.

The square root of 679506357 is about 26067.3427299370. The cubic root of 679506357 is about 879.1530923125.

The spelling of 679506357 in words is "six hundred seventy-nine million, five hundred six thousand, three hundred fifty-seven".