78330072896 has 28 divisors (see below), whose sum is σ = 155712395712. Its totient is φ = 39095453568.

The previous prime is 78330072883. The next prime is 78330072901. The reversal of 78330072896 is 69827003387.

It is a happy number.

It is a super-2 number, since 2×78330072896² (a number of 23 digits) contains 22 as substring.

It is a congruent 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, 1050920 + ... + 1122983.

Almost surely, 2^78330072896 is an apocalyptic number.

It is an amenable number.

78330072896 is a deficient number, since it is larger than the sum of its proper divisors (77382322816).

78330072896 is a wasteful number, since it uses less digits than its factorization.

78330072896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2174478 (or 2174468 counting only the distinct ones).

The product of its (nonzero) digits is 3048192, while the sum is 53.

The spelling of 78330072896 in words is "seventy-eight billion, three hundred thirty million, seventy-two thousand, eight hundred ninety-six".