78801574822 has 16 divisors (see below), whose sum is σ = 118578348000. Its totient is φ = 39275530560.

The previous prime is 78801574781. The next prime is 78801574837. The reversal of 78801574822 is 22847510887.

It is a self number, because there is not a number n which added to its sum of digits gives 78801574822.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2447247 + ... + 2479237.

It is an arithmetic number, because the mean of its divisors is an integer number (7411146750).

Almost surely, 2^78801574822 is an apocalyptic number.

78801574822 is a deficient number, since it is larger than the sum of its proper divisors (39776773178).

78801574822 is a wasteful number, since it uses less digits than its factorization.

78801574822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35871.

The product of its (nonzero) digits is 2007040, while the sum is 52.

The spelling of 78801574822 in words is "seventy-eight billion, eight hundred one million, five hundred seventy-four thousand, eight hundred twenty-two".