79816155300 has 288 divisors, whose sum is σ = 297632061440. Its totient is φ = 17971113600.

The previous prime is 79816155299. The next prime is 79816155323. The reversal of 79816155300 is 355161897.

It is a happy number.

79816155300 is a `hidden beast` number, since 7 + 98 + 1 + 6 + 1 + 553 + 0 + 0 = 666.

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 95 ways as a sum of consecutive naturals, for example, 1234785 + ... + 1297815.

Almost surely, 2^79816155300 is an apocalyptic number.

79816155300 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 79816155300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (148816030720).

79816155300 is an abundant number, since it is smaller than the sum of its proper divisors (217815906140).

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

79816155300 is a wasteful number, since it uses less digits than its factorization.

79816155300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63128 (or 63115 counting only the distinct ones).

The product of its (nonzero) digits is 226800, while the sum is 45.

The spelling of 79816155300 in words is "seventy-nine billion, eight hundred sixteen million, one hundred fifty-five thousand, three hundred".