84626679 has 4 divisors (see below), whose sum is σ = 112835576. Its totient is φ = 56417784.

The previous prime is 84626671. The next prime is 84626693. The reversal of 84626679 is 97662648.

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

It is not a de Polignac number, because 84626679 - 2³ = 84626671 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84626671) 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, 14104444 + ... + 14104449.

It is an arithmetic number, because the mean of its divisors is an integer number (28208894).

Almost surely, 2^84626679 is an apocalyptic number.

84626679 is a deficient number, since it is larger than the sum of its proper divisors (28208897).

84626679 is a wasteful number, since it uses less digits than its factorization.

84626679 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28208896.

The product of its digits is 870912, while the sum is 48.

The square root of 84626679 is about 9199.2760041212. The cubic root of 84626679 is about 439.0383249456.

The spelling of 84626679 in words is "eighty-four million, six hundred twenty-six thousand, six hundred seventy-nine".