27880008838 has 32 divisors (see below), whose sum is σ = 45952058880. Its totient is φ = 12581244000.

The previous prime is 27880008799. The next prime is 27880008881. The reversal of 27880008838 is 83880008872.

It is a super-2 number, since 2×27880008838² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2459203 + ... + 2470513.

It is an arithmetic number, because the mean of its divisors is an integer number (1436001840).

Almost surely, 2^27880008838 is an apocalyptic number.

27880008838 is a deficient number, since it is larger than the sum of its proper divisors (18072050042).

27880008838 is a wasteful number, since it uses less digits than its factorization.

27880008838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12124.

The product of its (nonzero) digits is 1376256, while the sum is 52.

The spelling of 27880008838 in words is "twenty-seven billion, eight hundred eighty million, eight thousand, eight hundred thirty-eight".