104172801887 has 12 divisors (see below), whose sum is σ = 130861702608. Its totient is φ = 81173611200.

The previous prime is 104172801881. The next prime is 104172801899. The reversal of 104172801887 is 788108271401.

It is a happy number.

It is not a de Polignac number, because 104172801887 - 2¹⁴ = 104172785503 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104172801881) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 61494314 + ... + 61496007.

It is an arithmetic number, because the mean of its divisors is an integer number (10905141884).

Almost surely, 2^104172801887 is an apocalyptic number.

104172801887 is a deficient number, since it is larger than the sum of its proper divisors (26688900721).

104172801887 is a wasteful number, since it uses less digits than its factorization.

104172801887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122990350 (or 122990339 counting only the distinct ones).

The product of its (nonzero) digits is 200704, while the sum is 47.

The spelling of 104172801887 in words is "one hundred four billion, one hundred seventy-two million, eight hundred one thousand, eight hundred eighty-seven".