78366925336 has 32 divisors (see below), whose sum is σ = 168410340000. Its totient is φ = 33489582336.

The previous prime is 78366925327. The next prime is 78366925379. The reversal of 78366925336 is 63352966387.

It is a super-2 number, since 2×78366925336² (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, 1985341 + ... + 2024428.

It is an arithmetic number, because the mean of its divisors is an integer number (5262823125).

Almost surely, 2^78366925336 is an apocalyptic number.

It is an amenable number.

78366925336 is an abundant number, since it is smaller than the sum of its proper divisors (90043414664).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

78366925336 is a wasteful number, since it uses less digits than its factorization.

78366925336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4010131 (or 4010127 counting only the distinct ones).

The product of its digits is 29393280, while the sum is 58.

The spelling of 78366925336 in words is "seventy-eight billion, three hundred sixty-six million, nine hundred twenty-five thousand, three hundred thirty-six".