857480169 has 32 divisors (see below), whose sum is σ = 1413094144. Its totient is φ = 450385920.

The previous prime is 857480159. The next prime is 857480179. The reversal of 857480169 is 961084758.

It is an interprime number because it is at equal distance from previous prime (857480159) and next prime (857480179).

It is not a de Polignac number, because 857480169 - 2⁸ = 857479913 is a prime.

It is a super-2 number, since 2×857480169² = 1470544480456537122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (857480159) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 59277 + ... + 72309.

It is an arithmetic number, because the mean of its divisors is an integer number (44159192).

Almost surely, 2^857480169 is an apocalyptic number.

It is an amenable number.

857480169 is a deficient number, since it is larger than the sum of its proper divisors (555613975).

857480169 is a wasteful number, since it uses less digits than its factorization.

857480169 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13297.

The product of its (nonzero) digits is 483840, while the sum is 48.

The square root of 857480169 is about 29282.7623184699. The cubic root of 857480169 is about 950.0388419945.

The spelling of 857480169 in words is "eight hundred fifty-seven million, four hundred eighty thousand, one hundred sixty-nine".