27960711057 has 16 divisors (see below), whose sum is σ = 41687124480. Its totient is φ = 18521742096.

The previous prime is 27960711043. The next prime is 27960711101. The reversal of 27960711057 is 75011706972.

27960711057 is a `hidden beast` number, since 27 + 9 + 607 + 1 + 10 + 5 + 7 = 666.

It is not a de Polignac number, because 27960711057 - 2⁶ = 27960710993 is a prime.

It is not an unprimeable number, because it can be changed into a prime (27960711007) 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, 3293793 + ... + 3302270.

It is an arithmetic number, because the mean of its divisors is an integer number (2605445280).

Almost surely, 2^27960711057 is an apocalyptic number.

27960711057 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

It is an amenable number.

27960711057 is a deficient number, since it is larger than the sum of its proper divisors (13726413423).

27960711057 is a wasteful number, since it uses less digits than its factorization.

27960711057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6596229 (or 6596223 counting only the distinct ones).

The product of its (nonzero) digits is 185220, while the sum is 45.

The spelling of 27960711057 in words is "twenty-seven billion, nine hundred sixty million, seven hundred eleven thousand, fifty-seven".