78320011883232 has 48 divisors (see below), whose sum is σ = 234960035651712. Its totient is φ = 22377146252160.

The previous prime is 78320011883227. The next prime is 78320011883233. The reversal of 78320011883232 is 23238811002387.

78320011883232 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×78320011883232² (a number of 29 digits) contains 22 as substring.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78320011883233) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58273817694 + ... + 58273819037.

It is an arithmetic number, because the mean of its divisors is an integer number (4895000742744).

Almost surely, 2^{78320011883232} is an apocalyptic number.

It is an amenable number.

78320011883232 is an abundant number, since it is smaller than the sum of its proper divisors (156640023768480).

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

78320011883232 is a wasteful number, since it uses less digits than its factorization.

78320011883232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116547636751 (or 116547636743 counting only the distinct ones).

The product of its (nonzero) digits is 774144, while the sum is 48.

The spelling of 78320011883232 in words is "seventy-eight trillion, three hundred twenty billion, eleven million, eight hundred eighty-three thousand, two hundred thirty-two".