79228461642 has 32 divisors (see below), whose sum is σ = 173897224704. Its totient is φ = 23864857200.

The previous prime is 79228461619. The next prime is 79228461671. The reversal of 79228461642 is 24616482297.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3583084 + ... + 3605127.

It is an arithmetic number, because the mean of its divisors is an integer number (5434288272).

Almost surely, 2^79228461642 is an apocalyptic number.

79228461642 is an abundant number, since it is smaller than the sum of its proper divisors (94668763062).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

79228461642 is a wasteful number, since it uses less digits than its factorization.

79228461642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7188394.

The product of its digits is 2322432, while the sum is 51.

The spelling of 79228461642 in words is "seventy-nine billion, two hundred twenty-eight million, four hundred sixty-one thousand, six hundred forty-two".