79923792 has 80 divisors (see below), whose sum is σ = 223596800. Its totient is φ = 24454656.

The previous prime is 79923791. The next prime is 79923839. The reversal of 79923792 is 29732997.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79923791) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 217593 + ... + 217959.

It is an arithmetic number, because the mean of its divisors is an integer number (2794960).

Almost surely, 2^79923792 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 79923792, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (111798400).

79923792 is an abundant number, since it is smaller than the sum of its proper divisors (143673008).

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

79923792 is a wasteful number, since it uses less digits than its factorization.

79923792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 740 (or 734 counting only the distinct ones).

The product of its digits is 428652, while the sum is 48.

The square root of 79923792 is about 8940.0107382486. The cubic root of 79923792 is about 430.7500735724.

The spelling of 79923792 in words is "seventy-nine million, nine hundred twenty-three thousand, seven hundred ninety-two".