13257677776 has 40 divisors (see below), whose sum is σ = 29769773184. Its totient is φ = 5601832320.

The previous prime is 13257677773. The next prime is 13257677789. The reversal of 13257677776 is 67777675231.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 13257677776.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13257677773) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 825655 + ... + 841558.

Almost surely, 2^13257677776 is an apocalyptic number.

13257677776 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

13257677776 is an abundant number, since it is smaller than the sum of its proper divisors (16512095408).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13257677776 is a wasteful number, since it uses less digits than its factorization.

13257677776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1667299 (or 1667293 counting only the distinct ones).

The product of its digits is 18151560, while the sum is 58.

The spelling of 13257677776 in words is "thirteen billion, two hundred fifty-seven million, six hundred seventy-seven thousand, seven hundred seventy-six".