13797994786 has 32 divisors (see below), whose sum is σ = 22039552512. Its totient is φ = 6467143680.

The previous prime is 13797994759. The next prime is 13797994787. The reversal of 13797994786 is 68749979731.

It is a super-2 number, since 2×13797994786² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13797994787) 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, 507490 + ... + 533986.

It is an arithmetic number, because the mean of its divisors is an integer number (688736016).

Almost surely, 2^13797994786 is an apocalyptic number.

13797994786 is a deficient number, since it is larger than the sum of its proper divisors (8241557726).

13797994786 is a wasteful number, since it uses less digits than its factorization.

13797994786 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26794.

The product of its digits is 144027072, while the sum is 70.

The spelling of 13797994786 in words is "thirteen billion, seven hundred ninety-seven million, nine hundred ninety-four thousand, seven hundred eighty-six".