857093092007 has 2 divisors, whose sum is σ = 857093092008. Its totient is φ = 857093092006.

The previous prime is 857093091983. The next prime is 857093092021. The reversal of 857093092007 is 700290390758.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 857093092007 - 2¹⁰ = 857093090983 is a prime.

It is a super-2 number, since 2×857093092007² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (857093092507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 428546546003 + 428546546004.

It is an arithmetic number, because the mean of its divisors is an integer number (428546546004).

Almost surely, 2^857093092007 is an apocalyptic number.

857093092007 is a deficient number, since it is larger than the sum of its proper divisors (1).

857093092007 is an equidigital number, since it uses as much as digits as its factorization.

857093092007 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 952560, while the sum is 50.

The spelling of 857093092007 in words is "eight hundred fifty-seven billion, ninety-three million, ninety-two thousand, seven".