79681467948 has 12 divisors (see below), whose sum is σ = 185923425240. Its totient is φ = 26560489312.

The previous prime is 79681467937. The next prime is 79681468003. The reversal of 79681467948 is 84976418697.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3320061153 + ... + 3320061176.

It is an arithmetic number, because the mean of its divisors is an integer number (15493618770).

Almost surely, 2^79681467948 is an apocalyptic number.

It is an amenable number.

79681467948 is an abundant number, since it is smaller than the sum of its proper divisors (106241957292).

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

79681467948 is a wasteful number, since it uses less digits than its factorization.

79681467948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6640122336 (or 6640122334 counting only the distinct ones).

The product of its digits is 146313216, while the sum is 69.

The spelling of 79681467948 in words is "seventy-nine billion, six hundred eighty-one million, four hundred sixty-seven thousand, nine hundred forty-eight".