79936470000 has 1000 divisors, whose sum is σ = 310061561040. Its totient is φ = 19837440000.

The previous prime is 79936469953. The next prime is 79936470007. The reversal of 79936470000 is 7463997.

It is a tau number, because it is divible by the number of its divisors (1000).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79936470007) by changing a digit.

It is a polite number, since it can be written in 199 ways as a sum of consecutive naturals, for example, 963089959 + ... + 963090041.

Almost surely, 2^79936470000 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 79936470000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (155030780520).

79936470000 is an abundant number, since it is smaller than the sum of its proper divisors (230125091040).

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

79936470000 is a wasteful number, since it uses less digits than its factorization.

79936470000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193 (or 163 counting only the distinct ones).

The product of its (nonzero) digits is 285768, while the sum is 45.

The spelling of 79936470000 in words is "seventy-nine billion, nine hundred thirty-six million, four hundred seventy thousand".