113876865 has 12 divisors (see below), whose sum is σ = 197386644. Its totient is φ = 60734304.

The previous prime is 113876839. The next prime is 113876869. The reversal of 113876865 is 568678311.

It can be written as a sum of positive squares in 2 ways, for example, as 59721984 + 54154881 = 7728^2 + 7359^2 .

It is not a de Polignac number, because 113876865 - 2¹⁵ = 113844097 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 2530597 = 113876865 / (1 + 1 + 3 + 8 + 7 + 6 + 8 + 6 + 5).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 113876865.

It is not an unprimeable number, because it can be changed into a prime (113876869) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1265254 + ... + 1265343.

It is an arithmetic number, because the mean of its divisors is an integer number (16448887).

Almost surely, 2^113876865 is an apocalyptic number.

113876865 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

113876865 is a deficient number, since it is larger than the sum of its proper divisors (83509779).

113876865 is a wasteful number, since it uses less digits than its factorization.

113876865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2530608 (or 2530605 counting only the distinct ones).

The product of its digits is 241920, while the sum is 45.

The square root of 113876865 is about 10671.3103693970. The cubic root of 113876865 is about 484.7061173506.

The spelling of 113876865 in words is "one hundred thirteen million, eight hundred seventy-six thousand, eight hundred sixty-five".