84379379 has 4 divisors (see below), whose sum is σ = 96433584. Its totient is φ = 72325176.

The previous prime is 84379369. The next prime is 84379391. The reversal of 84379379 is 97397348.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 84379379 - 2²⁴ = 67602163 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (84379349) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6027092 + ... + 6027105.

It is an arithmetic number, because the mean of its divisors is an integer number (24108396).

Almost surely, 2^84379379 is an apocalyptic number.

84379379 is a deficient number, since it is larger than the sum of its proper divisors (12054205).

84379379 is a wasteful number, since it uses less digits than its factorization.

84379379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12054204.

The product of its digits is 1143072, while the sum is 50.

The square root of 84379379 is about 9185.8248949128. The cubic root of 84379379 is about 438.6102483184.

The spelling of 84379379 in words is "eighty-four million, three hundred seventy-nine thousand, three hundred seventy-nine".