78532837313216 has 56 divisors (see below), whose sum is σ = 183083109387024. Its totient is φ = 32950840826880.

The previous prime is 78532837313141. The next prime is 78532837313219. The reversal of 78532837313216 is 61231373823587.

It is not an unprimeable number, because it can be changed into a prime (78532837313219) 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, 4290464915 + ... + 4290483218.

It is an arithmetic number, because the mean of its divisors is an integer number (3269341239054).

Almost surely, 2^{78532837313216} is an apocalyptic number.

It is an amenable number.

78532837313216 is an abundant number, since it is smaller than the sum of its proper divisors (104550272073808).

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

78532837313216 is a wasteful number, since it uses less digits than its factorization.

78532837313216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8580948169 (or 8580948159 counting only the distinct ones).

The product of its digits is 30481920, while the sum is 59.

The spelling of 78532837313216 in words is "seventy-eight trillion, five hundred thirty-two billion, eight hundred thirty-seven million, three hundred thirteen thousand, two hundred sixteen".