79221613248 has 140 divisors (see below), whose sum is σ = 247197864760. Its totient is φ = 25017320448.

The previous prime is 79221613223. The next prime is 79221613259. The reversal of 79221613248 is 84231612297.

79221613248 is a `hidden beast` number, since 7 + 9 + 2 + 2 + 1 + 613 + 24 + 8 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 303661 + ... + 500652.

It is an arithmetic number, because the mean of its divisors is an integer number (1765699034).

Almost surely, 2^79221613248 is an apocalyptic number.

It is an amenable number.

79221613248 is an abundant number, since it is smaller than the sum of its proper divisors (167976251512).

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

79221613248 is a wasteful number, since it uses less digits than its factorization.

79221613248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 804356 (or 804337 counting only the distinct ones).

The product of its digits is 290304, while the sum is 45.

The spelling of 79221613248 in words is "seventy-nine billion, two hundred twenty-one million, six hundred thirteen thousand, two hundred forty-eight".