79909318652 has 24 divisors (see below), whose sum is σ = 151678668960. Its totient is φ = 36687203840.

The previous prime is 79909318651. The next prime is 79909318661. The reversal of 79909318652 is 25681390997.

It is a junction number, because it is equal to n+sod(n) for n = 79909318591 and 79909318600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79909318651) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14328152 + ... + 14333727.

It is an arithmetic number, because the mean of its divisors is an integer number (6319944540).

Almost surely, 2^79909318652 is an apocalyptic number.

It is an amenable number.

79909318652 is a deficient number, since it is larger than the sum of its proper divisors (71769350308).

79909318652 is a wasteful number, since it uses less digits than its factorization.

79909318652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28661941 (or 28661939 counting only the distinct ones).

The product of its (nonzero) digits is 7348320, while the sum is 59.

The spelling of 79909318652 in words is "seventy-nine billion, nine hundred nine million, three hundred eighteen thousand, six hundred fifty-two".