13961362787 has 12 divisors (see below), whose sum is σ = 14543121840. Its totient is φ = 13401878112.

The previous prime is 13961362777. The next prime is 13961362819. The reversal of 13961362787 is 78726316931.

It is not a de Polignac number, because 13961362787 - 2⁸ = 13961362531 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13961362717) 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, 97514 + ... + 193472.

It is an arithmetic number, because the mean of its divisors is an integer number (1211926820).

Almost surely, 2^13961362787 is an apocalyptic number.

13961362787 is a deficient number, since it is larger than the sum of its proper divisors (581759053).

13961362787 is an equidigital number, since it uses as much as digits as its factorization.

13961362787 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96190 (or 96161 counting only the distinct ones).

The product of its digits is 2286144, while the sum is 53.

The spelling of 13961362787 in words is "thirteen billion, nine hundred sixty-one million, three hundred sixty-two thousand, seven hundred eighty-seven".