13773764880 has 120 divisors (see below), whose sum is σ = 47970179712. Its totient is φ = 3672998784.

The previous prime is 13773764857. The next prime is 13773764887. The reversal of 13773764880 is 8846737731.

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (13773764887) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 334824 + ... + 373703.

Almost surely, 2^13773764880 is an apocalyptic number.

13773764880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13773764880 is an abundant number, since it is smaller than the sum of its proper divisors (34196414832).

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

13773764880 is an equidigital number, since it uses as much as digits as its factorization.

13773764880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 708555 (or 708537 counting only the distinct ones).

The product of its (nonzero) digits is 4741632, while the sum is 54.

The spelling of 13773764880 in words is "thirteen billion, seven hundred seventy-three million, seven hundred sixty-four thousand, eight hundred eighty".