104240735279 has 4 divisors (see below), whose sum is σ = 105163219776. Its totient is φ = 103318250784.

The previous prime is 104240735239. The next prime is 104240735299. The reversal of 104240735279 is 972537042401.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 972537042401 = 53 ⋅18349755517.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-104240735279 is a prime.

It is a super-2 number, since 2×104240735279² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104240735239) 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, 461242079 + ... + 461242304.

It is an arithmetic number, because the mean of its divisors is an integer number (26290804944).

Almost surely, 2^104240735279 is an apocalyptic number.

104240735279 is a deficient number, since it is larger than the sum of its proper divisors (922484497).

104240735279 is an equidigital number, since it uses as much as digits as its factorization.

104240735279 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 922484496.

The product of its (nonzero) digits is 423360, while the sum is 44.

The spelling of 104240735279 in words is "one hundred four billion, two hundred forty million, seven hundred thirty-five thousand, two hundred seventy-nine".