84379275 has 18 divisors (see below), whose sum is σ = 151133060. Its totient is φ = 45002160.

The previous prime is 84379231. The next prime is 84379289. The reversal of 84379275 is 57297348.

84379275 is a `hidden beast` number, since 8 + 4 + 379 + 275 = 666.

It is not a de Polignac number, because 84379275 - 2²⁰ = 83330699 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 84379275.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 187285 + ... + 187734.

Almost surely, 2^84379275 is an apocalyptic number.

84379275 is a deficient number, since it is larger than the sum of its proper divisors (66753785).

84379275 is a wasteful number, since it uses less digits than its factorization.

84379275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 375035 (or 375027 counting only the distinct ones).

The product of its digits is 423360, while the sum is 45.

The square root of 84379275 is about 9185.8192340150. The cubic root of 84379275 is about 438.6100681184.

The spelling of 84379275 in words is "eighty-four million, three hundred seventy-nine thousand, two hundred seventy-five".