79846478073 has 24 divisors (see below), whose sum is σ = 116294555520. Its totient is φ = 52788758400.

The previous prime is 79846478059. The next prime is 79846478111. The reversal of 79846478073 is 37087464897.

79846478073 is a `hidden beast` number, since 7 + 98 + 4 + 6 + 478 + 0 + 73 = 666.

It is not a de Polignac number, because 79846478073 - 2¹⁷ = 79846347001 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 79846478073.

It is not an unprimeable number, because it can be changed into a prime (79846478473) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 756348 + ... + 855426.

It is an arithmetic number, because the mean of its divisors is an integer number (4845606480).

Almost surely, 2^79846478073 is an apocalyptic number.

It is an amenable number.

79846478073 is a deficient number, since it is larger than the sum of its proper divisors (36448077447).

79846478073 is a wasteful number, since it uses less digits than its factorization.

79846478073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99829 (or 99826 counting only the distinct ones).

The product of its (nonzero) digits is 56899584, while the sum is 63.

The spelling of 79846478073 in words is "seventy-nine billion, eight hundred forty-six million, four hundred seventy-eight thousand, seventy-three".