115878 has 32 divisors (see below), whose sum is σ = 276480. Its totient is φ = 31680.

The previous prime is 115877. The next prime is 115879. The reversal of 115878 is 878511.

It is an interprime number because it is at equal distance from previous prime (115877) and next prime (115879).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115873) 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, 1258 + ... + 1346.

It is an arithmetic number, because the mean of its divisors is an integer number (8640).

2¹¹⁵⁸⁷⁸ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 115878, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (138240).

115878 is an abundant number, since it is smaller than the sum of its proper divisors (160602).

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

115878 is a wasteful number, since it uses less digits than its factorization.

115878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132.

The product of its digits is 2240, while the sum is 30.

The square root of 115878 is about 340.4085780353. The cubic root of 115878 is about 48.7528860882.

Multiplying 115878 by its product of digits (2240), we get a triangular number (259566720 = T₂₂₇₈₄).

The spelling of 115878 in words is "one hundred fifteen thousand, eight hundred seventy-eight".