13777628705 has 16 divisors (see below), whose sum is σ = 17846887680. Its totient is φ = 10179331008.

The previous prime is 13777628671. The next prime is 13777628731. The reversal of 13777628705 is 50782677731.

It is a cyclic number.

It is not a de Polignac number, because 13777628705 - 2²² = 13773434401 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2062277 + ... + 2068946.

It is an arithmetic number, because the mean of its divisors is an integer number (1115430480).

Almost surely, 2^13777628705 is an apocalyptic number.

It is an amenable number.

13777628705 is a deficient number, since it is larger than the sum of its proper divisors (4069258975).

13777628705 is a wasteful number, since it uses less digits than its factorization.

13777628705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4131280.

The product of its (nonzero) digits is 3457440, while the sum is 53.

The spelling of 13777628705 in words is "thirteen billion, seven hundred seventy-seven million, six hundred twenty-eight thousand, seven hundred five".