27655507715 has 12 divisors (see below), whose sum is σ = 36477844032. Its totient is φ = 20113096080.

The previous prime is 27655507699. The next prime is 27655507729. The reversal of 27655507715 is 51770555672.

It is not a de Polignac number, because 27655507715 - 2⁴ = 27655507699 is a prime.

It is a Duffinian number.

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, 22855187 + ... + 22856396.

It is an arithmetic number, because the mean of its divisors is an integer number (3039820336).

Almost surely, 2^27655507715 is an apocalyptic number.

27655507715 is a deficient number, since it is larger than the sum of its proper divisors (8822336317).

27655507715 is a wasteful number, since it uses less digits than its factorization.

27655507715 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45711610 (or 45711599 counting only the distinct ones).

The product of its (nonzero) digits is 2572500, while the sum is 50.

The spelling of 27655507715 in words is "twenty-seven billion, six hundred fifty-five million, five hundred seven thousand, seven hundred fifteen".