13084973987 has 16 divisors (see below), whose sum is σ = 13751706528. Its totient is φ = 12439019520.

The previous prime is 13084973981. The next prime is 13084973989. The reversal of 13084973987 is 78937948031.

It is not a de Polignac number, because 13084973987 - 2²⁸ = 12816538531 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13084973981) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 222083 + ... + 274755.

It is an arithmetic number, because the mean of its divisors is an integer number (859481658).

Almost surely, 2^13084973987 is an apocalyptic number.

13084973987 is a deficient number, since it is larger than the sum of its proper divisors (666732541).

13084973987 is an equidigital number, since it uses as much as digits as its factorization.

13084973987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52870.

The product of its (nonzero) digits is 9144576, while the sum is 59.

The spelling of 13084973987 in words is "thirteen billion, eighty-four million, nine hundred seventy-three thousand, nine hundred eighty-seven".