3170042856 has 48 divisors (see below), whose sum is σ = 8592444900. Its totient is φ = 1055830272.

The previous prime is 3170042849. The next prime is 3170042881. The reversal of 3170042856 is 6582400713.

It can be written as a sum of positive squares in 2 ways, for example, as 2876605956 + 293436900 = 53634^2 + 17130^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 3170042856.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 75730 + ... + 109886.

Almost surely, 2^3170042856 is an apocalyptic number.

3170042856 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

3170042856 is an abundant number, since it is smaller than the sum of its proper divisors (5422402044).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3170042856 is a wasteful number, since it uses less digits than its factorization.

3170042856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35458 (or 35451 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The square root of 3170042856 is about 56303.1336250479. The cubic root of 3170042856 is about 1468.9997137730. Note that the first 3 decimals are identical.

The spelling of 3170042856 in words is "three billion, one hundred seventy million, forty-two thousand, eight hundred fifty-six".