113865347772847 has 48 divisors (see below), whose sum is σ = 126925870911840. Its totient is φ = 102062847744000.

The previous prime is 113865347772823. The next prime is 113865347772871. The reversal of 113865347772847 is 748277743568311.

It is an interprime number because it is at equal distance from previous prime (113865347772823) and next prime (113865347772871).

It is not a de Polignac number, because 113865347772847 - 2²³ = 113865339384239 is a prime.

It is a super-2 number, since 2×113865347772847² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 113865347772847.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113865347772247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3239118423 + ... + 3239153575.

It is an arithmetic number, because the mean of its divisors is an integer number (2644288977330).

Almost surely, 2^{113865347772847} is an apocalyptic number.

113865347772847 is a deficient number, since it is larger than the sum of its proper divisors (13060523138993).

113865347772847 is a wasteful number, since it uses less digits than its factorization.

113865347772847 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36616 (or 36605 counting only the distinct ones).

The product of its digits is 1327656960, while the sum is 73.

The spelling of 113865347772847 in words is "one hundred thirteen trillion, eight hundred sixty-five billion, three hundred forty-seven million, seven hundred seventy-two thousand, eight hundred forty-seven".