79923191040000 has 2160 divisors, whose sum is σ = 362393053102080. Its totient is φ = 16605388800000.

The previous prime is 79923191039971. The next prime is 79923191040023. The reversal of 79923191040000 is 4019132997.

79923191040000 is a `hidden beast` number, since 7 + 9 + 9 + 231 + 9 + 1 + 0 + 400 + 0 + 0 = 666.

79923191040000 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is an unprimeable number.

It is a polite number, since it can be written in 179 ways as a sum of consecutive naturals, for example, 9757435905 + ... + 9757444095.

Almost surely, 2^{79923191040000} is an apocalyptic number.

79923191040000 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 79923191040000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (181196526551040).

79923191040000 is an abundant number, since it is smaller than the sum of its proper divisors (282469862062080).

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

79923191040000 is a wasteful number, since it uses less digits than its factorization.

79923191040000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8268 (or 8219 counting only the distinct ones).

The product of its (nonzero) digits is 122472, while the sum is 45.

The spelling of 79923191040000 in words is "seventy-nine trillion, nine hundred twenty-three billion, one hundred ninety-one million, forty thousand".