27740692056 has 128 divisors (see below), whose sum is σ = 91015372800. Its totient is φ = 6826135680.

The previous prime is 27740692043. The next prime is 27740692069. The reversal of 27740692056 is 65029604772.

It is an interprime number because it is at equal distance from previous prime (27740692043) and next prime (27740692069).

It is a junction number, because it is equal to n+sod(n) for n = 27740691996 and 27740692014.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 359920 + ... + 430143.

It is an arithmetic number, because the mean of its divisors is an integer number (711057600).

Almost surely, 2^27740692056 is an apocalyptic number.

It is an amenable number.

27740692056 is an abundant number, since it is smaller than the sum of its proper divisors (63274680744).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

27740692056 is a wasteful number, since it uses less digits than its factorization.

27740692056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 790109 (or 790105 counting only the distinct ones).

The product of its (nonzero) digits is 1270080, while the sum is 48.

The spelling of 27740692056 in words is "twenty-seven billion, seven hundred forty million, six hundred ninety-two thousand, fifty-six".