79995000 has 80 divisors (see below), whose sum is σ = 249951240. Its totient is φ = 21328000.

The previous prime is 79994969. The next prime is 79995001. The reversal of 79995000 is 59997.

It is a self number, because there is not a number n which added to its sum of digits gives 79995000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79995001) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 12334 + ... + 17666.

Almost surely, 2^79995000 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 79995000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (124975620).

79995000 is an abundant number, since it is smaller than the sum of its proper divisors (169956240).

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

79995000 is a wasteful number, since it uses less digits than its factorization.

79995000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5362 (or 5343 counting only the distinct ones).

The product of its (nonzero) digits is 25515, while the sum is 39.

The square root of 79995000 is about 8943.9923971345. The cubic root of 79995000 is about 430.8779610081.

The spelling of 79995000 in words is "seventy-nine million, nine hundred ninety-five thousand".