104120772987 has 32 divisors (see below), whose sum is σ = 173117620224. Its totient is φ = 54078170400.

The previous prime is 104120772919. The next prime is 104120772997. The reversal of 104120772987 is 789277021401.

It is not a de Polignac number, because 104120772987 - 2⁷ = 104120772859 is a prime.

It is a super-2 number, since 2×104120772987² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (104120772997) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1222608 + ... + 1304994.

It is an arithmetic number, because the mean of its divisors is an integer number (5409925632).

Almost surely, 2^104120772987 is an apocalyptic number.

104120772987 is a deficient number, since it is larger than the sum of its proper divisors (68996847237).

104120772987 is a wasteful number, since it uses less digits than its factorization.

104120772987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87879.

The product of its (nonzero) digits is 395136, while the sum is 48.

The spelling of 104120772987 in words is "one hundred four billion, one hundred twenty million, seven hundred seventy-two thousand, nine hundred eighty-seven".