27807898107 has 16 divisors (see below), whose sum is σ = 40462146432. Its totient is φ = 16847315520.

The previous prime is 27807898057. The next prime is 27807898109. The reversal of 27807898107 is 70189870872.

It is not a de Polignac number, because 27807898107 - 2²³ = 27799509499 is a prime.

It is not an unprimeable number, because it can be changed into a prime (27807898109) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53193 + ... + 241754.

It is an arithmetic number, because the mean of its divisors is an integer number (2528884152).

Almost surely, 2^27807898107 is an apocalyptic number.

27807898107 is a deficient number, since it is larger than the sum of its proper divisors (12654248325).

27807898107 is a wasteful number, since it uses less digits than its factorization.

27807898107 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 297818.

The product of its (nonzero) digits is 3161088, while the sum is 57.

The spelling of 27807898107 in words is "twenty-seven billion, eight hundred seven million, eight hundred ninety-eight thousand, one hundred seven".