79777945594 has 8 divisors (see below), whose sum is σ = 119691260640. Its totient is φ = 39880858716.

The previous prime is 79777945543. The next prime is 79777945607. The reversal of 79777945594 is 49554977797.

It is a sphenic number, since it is the product of 3 distinct primes.

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, 4044744 + ... + 4064419.

It is an arithmetic number, because the mean of its divisors is an integer number (14961407580).

Almost surely, 2^79777945594 is an apocalyptic number.

79777945594 is a deficient number, since it is larger than the sum of its proper divisors (39913315046).

79777945594 is a wasteful number, since it uses less digits than its factorization.

79777945594 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8114084.

The product of its digits is 700131600, while the sum is 73.

The spelling of 79777945594 in words is "seventy-nine billion, seven hundred seventy-seven million, nine hundred forty-five thousand, five hundred ninety-four".