79622086 has 4 divisors (see below), whose sum is σ = 119433132. Its totient is φ = 39811042.

The previous prime is 79622083. The next prime is 79622087. The reversal of 79622086 is 68022697.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79622083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19905520 + ... + 19905523.

It is an arithmetic number, because the mean of its divisors is an integer number (29858283).

Almost surely, 2^79622086 is an apocalyptic number.

79622086 is a deficient number, since it is larger than the sum of its proper divisors (39811046).

79622086 is a wasteful number, since it uses less digits than its factorization.

79622086 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39811045.

The product of its (nonzero) digits is 72576, while the sum is 40.

The square root of 79622086 is about 8923.1208666027. The cubic root of 79622086 is about 430.2073742848.

The spelling of 79622086 in words is "seventy-nine million, six hundred twenty-two thousand, eighty-six".