113281878 has 8 divisors (see below), whose sum is σ = 226563768. Its totient is φ = 37760624.

The previous prime is 113281873. The next prime is 113281907. The reversal of 113281878 is 878182311.

It is a sphenic number, since it is the product of 3 distinct primes.

113281878 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113281873) 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, 9440151 + ... + 9440162.

It is an arithmetic number, because the mean of its divisors is an integer number (28320471).

Almost surely, 2^113281878 is an apocalyptic number.

113281878 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

113281878 is a wasteful number, since it uses less digits than its factorization.

113281878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18880318.

The product of its digits is 21504, while the sum is 39.

The square root of 113281878 is about 10643.3959806069. The cubic root of 113281878 is about 483.8604742048.

The spelling of 113281878 in words is "one hundred thirteen million, two hundred eighty-one thousand, eight hundred seventy-eight".