857475607 has 2 divisors, whose sum is σ = 857475608. Its totient is φ = 857475606.

The previous prime is 857475601. The next prime is 857475611. The reversal of 857475607 is 706574758.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-857475607 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (857475601) 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, 428737803 + 428737804.

It is an arithmetic number, because the mean of its divisors is an integer number (428737804).

Almost surely, 2^857475607 is an apocalyptic number.

857475607 is a deficient number, since it is larger than the sum of its proper divisors (1).

857475607 is an equidigital number, since it uses as much as digits as its factorization.

857475607 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1646400, while the sum is 49.

The square root of 857475607 is about 29282.6844227096. The cubic root of 857475607 is about 950.0371571801.

The spelling of 857475607 in words is "eight hundred fifty-seven million, four hundred seventy-five thousand, six hundred seven".