116797520 has 80 divisors (see below), whose sum is σ = 317979648. Its totient is φ = 39060480.

The previous prime is 116797501. The next prime is 116797523. The reversal of 116797520 is 25797611.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (116797523) 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, 20417 + ... + 25503.

Almost surely, 2^116797520 is an apocalyptic number.

116797520 is a gapful number since it is divisible by the number (10) 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 116797520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (158989824).

116797520 is an abundant number, since it is smaller than the sum of its proper divisors (201182128).

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

116797520 is a wasteful number, since it uses less digits than its factorization.

116797520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5148 (or 5142 counting only the distinct ones).

The product of its (nonzero) digits is 26460, while the sum is 38.

The square root of 116797520 is about 10807.2901321284. The cubic root of 116797520 is about 488.8150180704.

Subtracting from 116797520 its reverse (25797611), we obtain a palindrome (90999909).

The spelling of 116797520 in words is "one hundred sixteen million, seven hundred ninety-seven thousand, five hundred twenty".