78327079736 has 32 divisors (see below), whose sum is σ = 152468319600. Its totient is φ = 37678475520.

The previous prime is 78327079703. The next prime is 78327079759. The reversal of 78327079736 is 63797072387.

It is a super-2 number, since 2×78327079736² (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 7 ways as a sum of consecutive naturals, for example, 535550 + ... + 665933.

Almost surely, 2^78327079736 is an apocalyptic number.

It is an amenable number.

78327079736 is a deficient number, since it is larger than the sum of its proper divisors (74141239864).

78327079736 is a wasteful number, since it uses less digits than its factorization.

78327079736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1201799 (or 1201795 counting only the distinct ones).

The product of its (nonzero) digits is 18670176, while the sum is 59.

The spelling of 78327079736 in words is "seventy-eight billion, three hundred twenty-seven million, seventy-nine thousand, seven hundred thirty-six".