79694280000 has 560 divisors, whose sum is σ = 296704024320. Its totient is φ = 21228480000.

The previous prime is 79694279993. The next prime is 79694280023. The reversal of 79694280000 is 8249697.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 87479545 + ... + 87480455.

Almost surely, 2^79694280000 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 79694280000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (148352012160).

79694280000 is an abundant number, since it is smaller than the sum of its proper divisors (217009744320).

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

79694280000 is an frugal number, since it uses more digits than its factorization.

79694280000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 964 (or 921 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 45.

The spelling of 79694280000 in words is "seventy-nine billion, six hundred ninety-four million, two hundred eighty thousand".