115772316 has 72 divisors (see below), whose sum is σ = 301375872. Its totient is φ = 34557600.

The previous prime is 115772287. The next prime is 115772323. The reversal of 115772316 is 613277511.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 102531 + ... + 103653.

It is an arithmetic number, because the mean of its divisors is an integer number (4185776).

Almost surely, 2^115772316 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 115772316, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (150687936).

115772316 is an abundant number, since it is smaller than the sum of its proper divisors (185603556).

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

115772316 is a wasteful number, since it uses less digits than its factorization.

115772316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1223 (or 1210 counting only the distinct ones).

The product of its digits is 8820, while the sum is 33.

The square root of 115772316 is about 10759.7544581649. The cubic root of 115772316 is about 487.3806024494.

The spelling of 115772316 in words is "one hundred fifteen million, seven hundred seventy-two thousand, three hundred sixteen".