857465018 has 16 divisors (see below), whose sum is σ = 1300738176. Its totient is φ = 423904320.

The previous prime is 857464999. The next prime is 857465123. The reversal of 857465018 is 810564758.

It is a happy number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 857465018.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 93005 + ... + 101807.

It is an arithmetic number, because the mean of its divisors is an integer number (81296136).

Almost surely, 2^857465018 is an apocalyptic number.

857465018 is a deficient number, since it is larger than the sum of its proper divisors (443273158).

857465018 is a wasteful number, since it uses less digits than its factorization.

857465018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9349.

The product of its (nonzero) digits is 268800, while the sum is 44.

The square root of 857465018 is about 29282.5036156405. The cubic root of 857465018 is about 950.0332464819.

The spelling of 857465018 in words is "eight hundred fifty-seven million, four hundred sixty-five thousand, eighteen".