113400422087 has 4 divisors (see below), whose sum is σ = 114266074296. Its totient is φ = 112534769880.

The previous prime is 113400422063. The next prime is 113400422119. The reversal of 113400422087 is 780224004311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 780224004311 = 60289 ⋅12941399.

It is a cyclic number.

It is not a de Polignac number, because 113400422087 - 2⁸ = 113400421831 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113400422287) 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, 432825908 + ... + 432826169.

It is an arithmetic number, because the mean of its divisors is an integer number (28566518574).

Almost surely, 2^113400422087 is an apocalyptic number.

113400422087 is a deficient number, since it is larger than the sum of its proper divisors (865652209).

113400422087 is an equidigital number, since it uses as much as digits as its factorization.

113400422087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 865652208.

The product of its (nonzero) digits is 10752, while the sum is 32.

Adding to 113400422087 its reverse (780224004311), we get a palindrome (893624426398).

The spelling of 113400422087 in words is "one hundred thirteen billion, four hundred million, four hundred twenty-two thousand, eighty-seven".