79151026500 has 768 divisors, whose sum is σ = 331884134400. Its totient is φ = 15816384000.

The previous prime is 79151026441. The next prime is 79151026567. The reversal of 79151026500 is 562015197.

79151026500 is a `hidden beast` number, since 7 + 91 + 510 + 2 + 6 + 50 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 23339805 + ... + 23343195.

It is an arithmetic number, because the mean of its divisors is an integer number (432140800).

Almost surely, 2^79151026500 is an apocalyptic number.

79151026500 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 79151026500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (165942067200).

79151026500 is an abundant number, since it is smaller than the sum of its proper divisors (252733107900).

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

79151026500 is a wasteful number, since it uses less digits than its factorization.

79151026500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3458 (or 3440 counting only the distinct ones).

The product of its (nonzero) digits is 18900, while the sum is 36.

The spelling of 79151026500 in words is "seventy-nine billion, one hundred fifty-one million, twenty-six thousand, five hundred".