79285500000 has 672 divisors, whose sum is σ = 330745766400. Its totient is φ = 18100800000.

The previous prime is 79285499983. The next prime is 79285500001. The reversal of 79285500000 is 558297.

79285500000 is a `hidden beast` number, since 79 + 2 + 85 + 500 + 0 + 0 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (672).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79285500001) by changing a digit.

It is a polite number, since it can be written in 111 ways as a sum of consecutive naturals, for example, 94499581 + ... + 94500419.

It is an arithmetic number, because the mean of its divisors is an integer number (492181200).

Almost surely, 2^79285500000 is an apocalyptic number.

79285500000 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 79285500000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (165372883200).

79285500000 is an abundant number, since it is smaller than the sum of its proper divisors (251460266400).

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

79285500000 is an frugal number, since it uses more digits than its factorization.

79285500000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 895 (or 856 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 36.

The spelling of 79285500000 in words is "seventy-nine billion, two hundred eighty-five million, five hundred thousand".