78449024804 has 12 divisors (see below), whose sum is σ = 137287901184. Its totient is φ = 39223910184.

The previous prime is 78449024791. The next prime is 78449024831. The reversal of 78449024804 is 40842094487.

It is a happy number.

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, 278237 + ... + 484059.

It is an arithmetic number, because the mean of its divisors is an integer number (11440658432).

Almost surely, 2^78449024804 is an apocalyptic number.

It is an amenable number.

78449024804 is a deficient number, since it is larger than the sum of its proper divisors (58838876380).

78449024804 is a wasteful number, since it uses less digits than its factorization.

78449024804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 301114 (or 301112 counting only the distinct ones).

The product of its (nonzero) digits is 2064384, while the sum is 50.

The spelling of 78449024804 in words is "seventy-eight billion, four hundred forty-nine million, twenty-four thousand, eight hundred four".