375999857 has 2 divisors, whose sum is σ = 375999858. Its totient is φ = 375999856.

The previous prime is 375999853. The next prime is 375999881. The reversal of 375999857 is 758999573.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 350588176 + 25411681 = 18724^2 + 5041^2 .

It is a cyclic number.

It is not a de Polignac number, because 375999857 - 2² = 375999853 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 375999857.

It is not a weakly prime, because it can be changed into another prime (375999851) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 187999928 + 187999929.

It is an arithmetic number, because the mean of its divisors is an integer number (187999929).

Almost surely, 2^375999857 is an apocalyptic number.

It is an amenable number.

375999857 is a deficient number, since it is larger than the sum of its proper divisors (1).

375999857 is an equidigital number, since it uses as much as digits as its factorization.

375999857 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 21432600, while the sum is 62.

The square root of 375999857 is about 19390.7157423340. The cubic root of 375999857 is about 721.7651245273.

The spelling of 375999857 in words is "three hundred seventy-five million, nine hundred ninety-nine thousand, eight hundred fifty-seven".