78506653541352 has 32 divisors (see below), whose sum is σ = 196267199186880. Its totient is φ = 26168809136000.

The previous prime is 78506653541347. The next prime is 78506653541359. The reversal of 78506653541352 is 25314535660587.

It is not an unprimeable number, because it can be changed into a prime (78506653541359) 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, 4133413 + ... + 13194635.

It is an arithmetic number, because the mean of its divisors is an integer number (6133349974590).

Almost surely, 2^{78506653541352} is an apocalyptic number.

It is an amenable number.

78506653541352 is an abundant number, since it is smaller than the sum of its proper divisors (117760545645528).

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

78506653541352 is a wasteful number, since it uses less digits than its factorization.

78506653541352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9422233 (or 9422229 counting only the distinct ones).

The product of its (nonzero) digits is 90720000, while the sum is 60.

The spelling of 78506653541352 in words is "seventy-eight trillion, five hundred six billion, six hundred fifty-three million, five hundred forty-one thousand, three hundred fifty-two".