700665057 has 6 divisors (see below), whose sum is σ = 1012071762. Its totient is φ = 467110032.

The previous prime is 700665037. The next prime is 700665073. The reversal of 700665057 is 750566007.

It can be written as a sum of positive squares in only one way, i.e., 461777121 + 238887936 = 21489^2 + 15456^2 .

It is not a de Polignac number, because 700665057 - 2²³ = 692276449 is a prime.

It is not an unprimeable number, because it can be changed into a prime (700665037) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 38925828 + ... + 38925845.

It is an arithmetic number, because the mean of its divisors is an integer number (168678627).

Almost surely, 2^700665057 is an apocalyptic number.

It is an amenable number.

700665057 is a deficient number, since it is larger than the sum of its proper divisors (311406705).

700665057 is a wasteful number, since it uses less digits than its factorization.

700665057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77851679 (or 77851676 counting only the distinct ones).

The product of its (nonzero) digits is 44100, while the sum is 36.

The square root of 700665057 is about 26470.0785227396. The cubic root of 700665057 is about 888.1851064381.

The spelling of 700665057 in words is "seven hundred million, six hundred sixty-five thousand, fifty-seven".