78798999060 has 72 divisors (see below), whose sum is σ = 251603832480. Its totient is φ = 19907114688.

The previous prime is 78798999011. The next prime is 78798999061. The reversal of 78798999060 is 6099989787.

It is a self number, because there is not a number n which added to its sum of digits gives 78798999060.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78798999061) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11516902 + ... + 11523741.

Almost surely, 2^78798999060 is an apocalyptic number.

It is an amenable number.

78798999060 is an abundant number, since it is smaller than the sum of its proper divisors (172804833420).

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

78798999060 is a wasteful number, since it uses less digits than its factorization.

78798999060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23040677 (or 23040672 counting only the distinct ones).

The product of its (nonzero) digits is 123451776, while the sum is 72.

The spelling of 78798999060 in words is "seventy-eight billion, seven hundred ninety-eight million, nine hundred ninety-nine thousand, sixty".