78362559120 has 80 divisors (see below), whose sum is σ = 243046944000. Its totient is φ = 20886100992.

The previous prime is 78362559073. The next prime is 78362559133. The reversal of 78362559120 is 2195526387.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×78362559120² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a self number, because there is not a number n which added to its sum of digits gives 78362559120.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 398092 + ... + 561428.

It is an arithmetic number, because the mean of its divisors is an integer number (3038086800).

Almost surely, 2^78362559120 is an apocalyptic number.

It is an amenable number.

78362559120 is an abundant number, since it is smaller than the sum of its proper divisors (164684384880).

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

78362559120 is a wasteful number, since it uses less digits than its factorization.

78362559120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165352 (or 165346 counting only the distinct ones).

The product of its (nonzero) digits is 907200, while the sum is 48.

The spelling of 78362559120 in words is "seventy-eight billion, three hundred sixty-two million, five hundred fifty-nine thousand, one hundred twenty".