375678857 has 2 divisors, whose sum is σ = 375678858. Its totient is φ = 375678856.

The previous prime is 375678841. The next prime is 375678883. The reversal of 375678857 is 758876573.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 375623161 + 55696 = 19381^2 + 236^2 .

It is a cyclic number.

It is not a de Polignac number, because 375678857 - 2⁴ = 375678841 is a prime.

It is a super-2 number, since 2×375678857² = 282269207193652898, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (375678157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 187839428 + 187839429.

It is an arithmetic number, because the mean of its divisors is an integer number (187839429).

Almost surely, 2^375678857 is an apocalyptic number.

It is an amenable number.

375678857 is a deficient number, since it is larger than the sum of its proper divisors (1).

375678857 is an equidigital number, since it uses as much as digits as its factorization.

375678857 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9878400, while the sum is 56.

The square root of 375678857 is about 19382.4368179030. The cubic root of 375678857 is about 721.5596700446.

The spelling of 375678857 in words is "three hundred seventy-five million, six hundred seventy-eight thousand, eight hundred fifty-seven".