27598899812 has 12 divisors (see below), whose sum is σ = 52688808816. Its totient is φ = 12544954440.

The previous prime is 27598899799. The next prime is 27598899851. The reversal of 27598899812 is 21899889572.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 313623818 + ... + 313623905.

It is an arithmetic number, because the mean of its divisors is an integer number (4390734068).

Almost surely, 2^27598899812 is an apocalyptic number.

27598899812 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

27598899812 is a deficient number, since it is larger than the sum of its proper divisors (25089909004).

27598899812 is a wasteful number, since it uses less digits than its factorization.

27598899812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 627247738 (or 627247736 counting only the distinct ones).

The product of its digits is 52254720, while the sum is 68.

The spelling of 27598899812 in words is "twenty-seven billion, five hundred ninety-eight million, eight hundred ninety-nine thousand, eight hundred twelve".