115776620 has 48 divisors (see below), whose sum is σ = 250459776. Its totient is φ = 44928000.

The previous prime is 115776611. The next prime is 115776623. The reversal of 115776620 is 26677511.

It is not an unprimeable number, because it can be changed into a prime (115776623) 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, 221960 + ... + 222480.

It is an arithmetic number, because the mean of its divisors is an integer number (5217912).

Almost surely, 2^115776620 is an apocalyptic number.

115776620 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 115776620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (125229888).

115776620 is an abundant number, since it is smaller than the sum of its proper divisors (134683156).

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

115776620 is a wasteful number, since it uses less digits than its factorization.

115776620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 842 (or 840 counting only the distinct ones).

The product of its (nonzero) digits is 17640, while the sum is 35.

The square root of 115776620 is about 10759.9544608702. The cubic root of 115776620 is about 487.3866420629.

It can be divided in two parts, 1157 and 76620, that added together give a palindrome (77777).

The spelling of 115776620 in words is "one hundred fifteen million, seven hundred seventy-six thousand, six hundred twenty".