84975345 has 64 divisors (see below), whose sum is σ = 185955840. Its totient is φ = 35852544.

The previous prime is 84975283. The next prime is 84975349. The reversal of 84975345 is 54357948.

It is not a de Polignac number, because 84975345 - 2⁹ = 84974833 is a prime.

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

It is a self number, because there is not a number n which added to its sum of digits gives 84975345.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84975349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 8827 + ... + 15743.

It is an arithmetic number, because the mean of its divisors is an integer number (2905560).

Almost surely, 2^84975345 is an apocalyptic number.

It is an amenable number.

84975345 is an abundant number, since it is smaller than the sum of its proper divisors (100980495).

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

84975345 is a wasteful number, since it uses less digits than its factorization.

84975345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6951 (or 6945 counting only the distinct ones).

The product of its digits is 604800, while the sum is 45.

The square root of 84975345 is about 9218.2072552097. The cubic root of 84975345 is about 439.6404517968.

The spelling of 84975345 in words is "eighty-four million, nine hundred seventy-five thousand, three hundred forty-five".