79228697902 has 4 divisors (see below), whose sum is σ = 118843046856. Its totient is φ = 39614348950.

The previous prime is 79228697879. The next prime is 79228697939. The reversal of 79228697902 is 20979682297.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19807174474 + ... + 19807174477.

It is an arithmetic number, because the mean of its divisors is an integer number (29710761714).

Almost surely, 2^79228697902 is an apocalyptic number.

79228697902 is a deficient number, since it is larger than the sum of its proper divisors (39614348954).

79228697902 is a wasteful number, since it uses less digits than its factorization.

79228697902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39614348953.

The product of its (nonzero) digits is 13716864, while the sum is 61.

The spelling of 79228697902 in words is "seventy-nine billion, two hundred twenty-eight million, six hundred ninety-seven thousand, nine hundred two".