84845715 has 8 divisors (see below), whose sum is σ = 135753168. Its totient is φ = 45251040.

The previous prime is 84845707. The next prime is 84845731. The reversal of 84845715 is 51754848.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 84845715 - 2³ = 84845707 is a prime.

It is a super-2 number, since 2×84845715² = 14397590707722450, which contains 22 as substring.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

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, 2828176 + ... + 2828205.

It is an arithmetic number, because the mean of its divisors is an integer number (16969146).

Almost surely, 2^84845715 is an apocalyptic number.

84845715 is a deficient number, since it is larger than the sum of its proper divisors (50907453).

84845715 is a wasteful number, since it uses less digits than its factorization.

84845715 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5656389.

The product of its digits is 179200, while the sum is 42.

The square root of 84845715 is about 9211.1733780230. The cubic root of 84845715 is about 439.4167806599.

The spelling of 84845715 in words is "eighty-four million, eight hundred forty-five thousand, seven hundred fifteen".