78798956943476 has 48 divisors (see below), whose sum is σ = 177853445159040. Its totient is φ = 29642240853120.

The previous prime is 78798956943439. The next prime is 78798956943523. The reversal of 78798956943476 is 67434965989787.

It is a happy number.

It is a congruent number.

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, 4411038815 + ... + 4411056678.

It is an arithmetic number, because the mean of its divisors is an integer number (3705280107480).

Almost surely, 2^{78798956943476} is an apocalyptic number.

It is an amenable number.

78798956943476 is an abundant number, since it is smaller than the sum of its proper divisors (99054488215564).

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

78798956943476 is a wasteful number, since it uses less digits than its factorization.

78798956943476 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8822095544 (or 8822095542 counting only the distinct ones).

The product of its digits is 138265989120, while the sum is 92.

The spelling of 78798956943476 in words is "seventy-eight trillion, seven hundred ninety-eight billion, nine hundred fifty-six million, nine hundred forty-three thousand, four hundred seventy-six".