13755897864 has 48 divisors (see below), whose sum is σ = 38164237020. Its totient is φ = 4473461760.

The previous prime is 13755897821. The next prime is 13755897889. The reversal of 13755897864 is 46879855731.

13755897864 is a `hidden beast` number, since 1 + 3 + 7 + 558 + 9 + 78 + 6 + 4 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 13472244900 + 283652964 = 116070^2 + 16842^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2326977 + ... + 2332880.

Almost surely, 2^13755897864 is an apocalyptic number.

It is an amenable number.

13755897864 is an abundant number, since it is smaller than the sum of its proper divisors (24408339156).

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

13755897864 is a wasteful number, since it uses less digits than its factorization.

13755897864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4659910 (or 4659903 counting only the distinct ones).

The product of its digits is 50803200, while the sum is 63.

The spelling of 13755897864 in words is "thirteen billion, seven hundred fifty-five million, eight hundred ninety-seven thousand, eight hundred sixty-four".