79863485672 has 16 divisors (see below), whose sum is σ = 156254646240. Its totient is φ = 38195580016.

The previous prime is 79863485651. The next prime is 79863485753. The reversal of 79863485672 is 27658436897.

It is a junction number, because it is equal to n+sod(n) for n = 79863485599 and 79863485608.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 217020158 + ... + 217020525.

It is an arithmetic number, because the mean of its divisors is an integer number (9765915390).

Almost surely, 2^79863485672 is an apocalyptic number.

It is an amenable number.

79863485672 is a deficient number, since it is larger than the sum of its proper divisors (76391160568).

79863485672 is a wasteful number, since it uses less digits than its factorization.

79863485672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 434040712 (or 434040708 counting only the distinct ones).

The product of its digits is 121927680, while the sum is 65.

The spelling of 79863485672 in words is "seventy-nine billion, eight hundred sixty-three million, four hundred eighty-five thousand, six hundred seventy-two".