104888645687 has 4 divisors (see below), whose sum is σ = 119872737936. Its totient is φ = 89904553440.

The previous prime is 104888645671. The next prime is 104888645717. The reversal of 104888645687 is 786546888401.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 786546888401 = 31 ⋅25372480271.

It is a cyclic number.

It is not a de Polignac number, because 104888645687 - 2⁴ = 104888645671 is a prime.

It is a super-2 number, since 2×104888645687² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104888045687) 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, 7492046114 + ... + 7492046127.

It is an arithmetic number, because the mean of its divisors is an integer number (29968184484).

Almost surely, 2^104888645687 is an apocalyptic number.

104888645687 is a deficient number, since it is larger than the sum of its proper divisors (14984092249).

104888645687 is an equidigital number, since it uses as much as digits as its factorization.

104888645687 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14984092248.

The product of its (nonzero) digits is 82575360, while the sum is 65.

The spelling of 104888645687 in words is "one hundred four billion, eight hundred eighty-eight million, six hundred forty-five thousand, six hundred eighty-seven".