115447816 has 32 divisors (see below), whose sum is σ = 250037280. Its totient is φ = 49388800.

The previous prime is 115447793. The next prime is 115447861. The reversal of 115447816 is 618744511.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37090 + ... + 40081.

It is an arithmetic number, because the mean of its divisors is an integer number (7813665).

Almost surely, 2^115447816 is an apocalyptic number.

It is an amenable number.

115447816 is an abundant number, since it is smaller than the sum of its proper divisors (134589464).

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

115447816 is a wasteful number, since it uses less digits than its factorization.

115447816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77205 (or 77201 counting only the distinct ones).

The product of its digits is 26880, while the sum is 37.

The square root of 115447816 is about 10744.6645364106. The cubic root of 115447816 is about 486.9248141501.

It can be divided in two parts, 115 and 447816, that added together give a triangular number (447931 = T₉₄₆).

The spelling of 115447816 in words is "one hundred fifteen million, four hundred forty-seven thousand, eight hundred sixteen".