7997501792 has 96 divisors (see below), whose sum is σ = 18202060800. Its totient is φ = 3388170240.

The previous prime is 7997501791. The next prime is 7997501797. The reversal of 7997501792 is 2971057997.

It is a super-2 number, since 2×7997501792² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (56).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7997501791) 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, 13175153 + ... + 13175759.

It is an arithmetic number, because the mean of its divisors is an integer number (189604800).

Almost surely, 2^7997501792 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 7997501792, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9101030400).

7997501792 is an abundant number, since it is smaller than the sum of its proper divisors (10204559008).

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

7997501792 is a wasteful number, since it uses less digits than its factorization.

7997501792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1204 (or 1196 counting only the distinct ones).

The product of its (nonzero) digits is 2500470, while the sum is 56.

The square root of 7997501792 is about 89428.7526022811. The cubic root of 7997501792 is about 1999.7917943260.

The spelling of 7997501792 in words is "seven billion, nine hundred ninety-seven million, five hundred one thousand, seven hundred ninety-two".