115867864 has 16 divisors (see below), whose sum is σ = 248288400. Its totient is φ = 49657632.

The previous prime is 115867861. The next prime is 115867867. The reversal of 115867864 is 468768511.

It is an interprime number because it is at equal distance from previous prime (115867861) and next prime (115867867).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115867861) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1034479 + ... + 1034590.

It is an arithmetic number, because the mean of its divisors is an integer number (15518025).

Almost surely, 2^115867864 is an apocalyptic number.

115867864 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

115867864 is an abundant number, since it is smaller than the sum of its proper divisors (132420536).

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

115867864 is a wasteful number, since it uses less digits than its factorization.

115867864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2069082 (or 2069078 counting only the distinct ones).

The product of its digits is 322560, while the sum is 46.

The square root of 115867864 is about 10764.1936065829. The cubic root of 115867864 is about 487.5146455385.

The spelling of 115867864 in words is "one hundred fifteen million, eight hundred sixty-seven thousand, eight hundred sixty-four".