700138857 has 16 divisors (see below), whose sum is σ = 1042069248. Its totient is φ = 414457680.

The previous prime is 700138849. The next prime is 700138861. The reversal of 700138857 is 758831007.

It is not a de Polignac number, because 700138857 - 2³ = 700138849 is a prime.

It is not an unprimeable number, because it can be changed into a prime (700138807) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 245283 + ... + 248120.

It is an arithmetic number, because the mean of its divisors is an integer number (65129328).

Almost surely, 2^700138857 is an apocalyptic number.

It is an amenable number.

700138857 is a deficient number, since it is larger than the sum of its proper divisors (341930391).

700138857 is a wasteful number, since it uses less digits than its factorization.

700138857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 493460.

The product of its (nonzero) digits is 47040, while the sum is 39.

The square root of 700138857 is about 26460.1371311639. The cubic root of 700138857 is about 887.9627081876.

The spelling of 700138857 in words is "seven hundred million, one hundred thirty-eight thousand, eight hundred fifty-seven".