113869428387 has 16 divisors (see below), whose sum is σ = 178368895488. Its totient is φ = 63703176480.

The previous prime is 113869428367. The next prime is 113869428443. The reversal of 113869428387 is 783824968311.

It is not a de Polignac number, because 113869428387 - 2²⁶ = 113802319523 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 113869428387.

It is not an unprimeable number, because it can be changed into a prime (113869428317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 132714523 + ... + 132715380.

It is an arithmetic number, because the mean of its divisors is an integer number (11148055968).

Almost surely, 2^113869428387 is an apocalyptic number.

113869428387 is a deficient number, since it is larger than the sum of its proper divisors (64499467101).

113869428387 is a wasteful number, since it uses less digits than its factorization.

113869428387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 265429930.

The product of its digits is 13934592, while the sum is 60.

The spelling of 113869428387 in words is "one hundred thirteen billion, eight hundred sixty-nine million, four hundred twenty-eight thousand, three hundred eighty-seven".