857150093 has 4 divisors (see below), whose sum is σ = 884800128. Its totient is φ = 829500060.

The previous prime is 857150069. The next prime is 857150123. The reversal of 857150093 is 390051758.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 857150093 - 2¹² = 857145997 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (857150023) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13824971 + ... + 13825032.

It is an arithmetic number, because the mean of its divisors is an integer number (221200032).

Almost surely, 2^857150093 is an apocalyptic number.

It is an amenable number.

857150093 is a deficient number, since it is larger than the sum of its proper divisors (27650035).

857150093 is a wasteful number, since it uses less digits than its factorization.

857150093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27650034.

The product of its (nonzero) digits is 37800, while the sum is 38.

The square root of 857150093 is about 29277.1257639817. The cubic root of 857150093 is about 949.9169245914.

The spelling of 857150093 in words is "eight hundred fifty-seven million, one hundred fifty thousand, ninety-three".