957401387 has 2 divisors, whose sum is σ = 957401388. Its totient is φ = 957401386.

The previous prime is 957401383. The next prime is 957401399. The reversal of 957401387 is 783104759.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 957401387 - 2² = 957401383 is a prime.

It is not a weakly prime, because it can be changed into another prime (957401383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 478700693 + 478700694.

It is an arithmetic number, because the mean of its divisors is an integer number (478700694).

Almost surely, 2^957401387 is an apocalyptic number.

957401387 is a deficient number, since it is larger than the sum of its proper divisors (1).

957401387 is an equidigital number, since it uses as much as digits as its factorization.

957401387 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 211680, while the sum is 44.

The square root of 957401387 is about 30941.9034159180. The cubic root of 957401387 is about 985.5939238930.

The spelling of 957401387 in words is "nine hundred fifty-seven million, four hundred one thousand, three hundred eighty-seven".