27726077274 has 32 divisors (see below), whose sum is σ = 67101768576. Its totient is φ = 7455751680.

The previous prime is 27726077251. The next prime is 27726077287. The reversal of 27726077274 is 47277062772.

It is a super-2 number, since 2×27726077274² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19415307 + ... + 19416734.

It is an arithmetic number, because the mean of its divisors is an integer number (2096930268).

Almost surely, 2^27726077274 is an apocalyptic number.

27726077274 is an abundant number, since it is smaller than the sum of its proper divisors (39375691302).

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

27726077274 is a wasteful number, since it uses less digits than its factorization.

27726077274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38832070.

The product of its (nonzero) digits is 3226944, while the sum is 51.

The spelling of 27726077274 in words is "twenty-seven billion, seven hundred twenty-six million, seventy-seven thousand, two hundred seventy-four".