27875724680 has 32 divisors (see below), whose sum is σ = 62918265240. Its totient is φ = 11115110400.

The previous prime is 27875724641. The next prime is 27875724683. The reversal of 27875724680 is 8642757872.

It can be written as a sum of positive squares in 4 ways, for example, as 14127224164 + 13748500516 = 118858^2 + 117254^2 .

It is a super-2 number, since 2×27875724680² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (27875724683) 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, 1086521 + ... + 1111880.

Almost surely, 2^27875724680 is an apocalyptic number.

27875724680 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27875724680 is an abundant number, since it is smaller than the sum of its proper divisors (35042540560).

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

27875724680 is a wasteful number, since it uses less digits than its factorization.

27875724680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2198729 (or 2198725 counting only the distinct ones).

The product of its (nonzero) digits is 10536960, while the sum is 56.

The spelling of 27875724680 in words is "twenty-seven billion, eight hundred seventy-five million, seven hundred twenty-four thousand, six hundred eighty".