79815719088 has 400 divisors, whose sum is σ = 277158689280. Its totient is φ = 21680980992.

The previous prime is 79815719077. The next prime is 79815719131. The reversal of 79815719088 is 88091751897.

It is a Harshad number since it is a multiple of its sum of digits (63).

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, 37348356 + ... + 37350492.

Almost surely, 2^79815719088 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 79815719088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (138579344640).

79815719088 is an abundant number, since it is smaller than the sum of its proper divisors (197342970192).

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

79815719088 is a wasteful number, since it uses less digits than its factorization.

79815719088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2366 (or 2351 counting only the distinct ones).

The product of its (nonzero) digits is 10160640, while the sum is 63.

The spelling of 79815719088 in words is "seventy-nine billion, eight hundred fifteen million, seven hundred nineteen thousand, eighty-eight".