13887752775 has 48 divisors (see below), whose sum is σ = 25525032960. Its totient is φ = 6616483200.

The previous prime is 13887752741. The next prime is 13887752789. The reversal of 13887752775 is 57725778831.

It is not a de Polignac number, because 13887752775 - 2⁷ = 13887752647 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 199515 + ... + 259964.

It is an arithmetic number, because the mean of its divisors is an integer number (531771520).

Almost surely, 2^13887752775 is an apocalyptic number.

13887752775 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

13887752775 is a deficient number, since it is larger than the sum of its proper divisors (11637280185).

13887752775 is a wasteful number, since it uses less digits than its factorization.

13887752775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 459536 (or 459531 counting only the distinct ones).

The product of its digits is 23049600, while the sum is 60.

The spelling of 13887752775 in words is "thirteen billion, eight hundred eighty-seven million, seven hundred fifty-two thousand, seven hundred seventy-five".