84908079 has 12 divisors (see below), whose sum is σ = 123542016. Its totient is φ = 56191392.

The previous prime is 84908071. The next prime is 84908099. The reversal of 84908079 is 97080948.

It is not a de Polignac number, because 84908079 - 2³ = 84908071 is a prime.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84908071) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 33199 + ... + 35664.

It is an arithmetic number, because the mean of its divisors is an integer number (10295168).

Almost surely, 2^84908079 is an apocalyptic number.

84908079 is a deficient number, since it is larger than the sum of its proper divisors (38633937).

84908079 is a wasteful number, since it uses less digits than its factorization.

84908079 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69006 (or 69003 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 45.

The square root of 84908079 is about 9214.5579926549. The cubic root of 84908079 is about 439.5244155462.

The spelling of 84908079 in words is "eighty-four million, nine hundred eight thousand, seventy-nine".