13360776778 has 16 divisors (see below), whose sum is σ = 20139394176. Its totient is φ = 6647724160.

The previous prime is 13360776757. The next prime is 13360776791. The reversal of 13360776778 is 87767706331.

It is a super-2 number, since 2×13360776778² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 327375 + ... + 365917.

It is an arithmetic number, because the mean of its divisors is an integer number (1258712136).

Almost surely, 2^13360776778 is an apocalyptic number.

13360776778 is a deficient number, since it is larger than the sum of its proper divisors (6778617398).

13360776778 is a wasteful number, since it uses less digits than its factorization.

13360776778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39389.

The product of its (nonzero) digits is 6223392, while the sum is 55.

The spelling of 13360776778 in words is "thirteen billion, three hundred sixty million, seven hundred seventy-six thousand, seven hundred seventy-eight".