115620864 has 88 divisors (see below), whose sum is σ = 313731408. Its totient is φ = 37847040.

The previous prime is 115620863. The next prime is 115620881. The reversal of 115620864 is 468026511.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115620863) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 187084 + ... + 187700.

Almost surely, 2^115620864 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 115620864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (156865704).

115620864 is an abundant number, since it is smaller than the sum of its proper divisors (198110544).

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

115620864 is an equidigital number, since it uses as much as digits as its factorization.

115620864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 701 (or 683 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 33.

The square root of 115620864 is about 10752.7142619899. The cubic root of 115620864 is about 487.1679811572.

The spelling of 115620864 in words is "one hundred fifteen million, six hundred twenty thousand, eight hundred sixty-four".