79237240668 has 36 divisors (see below), whose sum is σ = 200660354440. Its totient is φ = 26364121056.

The previous prime is 79237240657. The next prime is 79237240673. The reversal of 79237240668 is 86604273297.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1992223 + ... + 2031606.

Almost surely, 2^79237240668 is an apocalyptic number.

It is an amenable number.

79237240668 is an abundant number, since it is smaller than the sum of its proper divisors (121423113772).

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

79237240668 is a wasteful number, since it uses less digits than its factorization.

79237240668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4024386 (or 4024381 counting only the distinct ones).

The product of its (nonzero) digits is 6096384, while the sum is 54.

The spelling of 79237240668 in words is "seventy-nine billion, two hundred thirty-seven million, two hundred forty thousand, six hundred sixty-eight".