78151700323325 has 48 divisors (see below), whose sum is σ = 100376108422656. Its totient is φ = 60297814886400.

The previous prime is 78151700323273. The next prime is 78151700323369. The reversal of 78151700323325 is 52332300715187.

It is not a de Polignac number, because 78151700323325 - 2⁸ = 78151700323069 is a prime.

It is a super-2 number, since 2×78151700323325² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 78151700323325.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1168450334 + ... + 1168517216.

It is an arithmetic number, because the mean of its divisors is an integer number (2091168925472).

Almost surely, 2^{78151700323325} is an apocalyptic number.

It is an amenable number.

78151700323325 is a deficient number, since it is larger than the sum of its proper divisors (22224408099331).

78151700323325 is a wasteful number, since it uses less digits than its factorization.

78151700323325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72054 (or 72049 counting only the distinct ones).

The product of its (nonzero) digits is 1058400, while the sum is 47.

The spelling of 78151700323325 in words is "seventy-eight trillion, one hundred fifty-one billion, seven hundred million, three hundred twenty-three thousand, three hundred twenty-five".