84748815 has 32 divisors (see below), whose sum is σ = 152098560. Its totient is φ = 44769312.

The previous prime is 84748789. The next prime is 84748831. The reversal of 84748815 is 51884748.

It is not a de Polignac number, because 84748815 - 2⁷ = 84748687 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11512 + ... + 17378.

It is an arithmetic number, because the mean of its divisors is an integer number (4753080).

Almost surely, 2^84748815 is an apocalyptic number.

84748815 is a deficient number, since it is larger than the sum of its proper divisors (67349745).

84748815 is a wasteful number, since it uses less digits than its factorization.

84748815 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5988 (or 5982 counting only the distinct ones).

The product of its digits is 286720, while the sum is 45.

The square root of 84748815 is about 9205.9119591706. The cubic root of 84748815 is about 439.2494349235.

The spelling of 84748815 in words is "eighty-four million, seven hundred forty-eight thousand, eight hundred fifteen".