13773731800 has 24 divisors (see below), whose sum is σ = 32023926900. Its totient is φ = 5509492640.

The previous prime is 13773731711. The next prime is 13773731813. The reversal of 13773731800 is 813737731.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 34434130 + ... + 34434529.

Almost surely, 2^13773731800 is an apocalyptic number.

13773731800 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13773731800 is an abundant number, since it is smaller than the sum of its proper divisors (18250195100).

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

13773731800 is a wasteful number, since it uses less digits than its factorization.

13773731800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68868675 (or 68868666 counting only the distinct ones).

The product of its (nonzero) digits is 74088, while the sum is 40.

The spelling of 13773731800 in words is "thirteen billion, seven hundred seventy-three million, seven hundred thirty-one thousand, eight hundred".