975312857 has 2 divisors, whose sum is σ = 975312858. Its totient is φ = 975312856.

The previous prime is 975312847. The next prime is 975312901. The reversal of 975312857 is 758213579.

975312857 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 761539216 + 213773641 = 27596^2 + 14621^2 .

It is a cyclic number.

It is not a de Polignac number, because 975312857 - 2⁴ = 975312841 is a prime.

It is not a weakly prime, because it can be changed into another prime (975312817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 487656428 + 487656429.

It is an arithmetic number, because the mean of its divisors is an integer number (487656429).

Almost surely, 2^975312857 is an apocalyptic number.

It is an amenable number.

975312857 is a deficient number, since it is larger than the sum of its proper divisors (1).

975312857 is an equidigital number, since it uses as much as digits as its factorization.

975312857 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 529200, while the sum is 47.

The square root of 975312857 is about 31229.9993115594. Note that the first 3 decimals coincide. The cubic root of 975312857 is about 991.7022907931.

The spelling of 975312857 in words is "nine hundred seventy-five million, three hundred twelve thousand, eight hundred fifty-seven".