79785818044 has 6 divisors (see below), whose sum is σ = 139625181584. Its totient is φ = 39892909020.

The previous prime is 79785818017. The next prime is 79785818069. The reversal of 79785818044 is 44081858797.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9973227252 + ... + 9973227259.

Almost surely, 2^79785818044 is an apocalyptic number.

It is an amenable number.

79785818044 is a deficient number, since it is larger than the sum of its proper divisors (59839363540).

79785818044 is a wasteful number, since it uses less digits than its factorization.

79785818044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19946454515 (or 19946454513 counting only the distinct ones).

The product of its (nonzero) digits is 18063360, while the sum is 61.

The spelling of 79785818044 in words is "seventy-nine billion, seven hundred eighty-five million, eight hundred eighteen thousand, forty-four".