27728572762 has 16 divisors (see below), whose sum is σ = 45415580832. Its totient is φ = 12592354320.

The previous prime is 27728572757. The next prime is 27728572771. The reversal of 27728572762 is 26727582772.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 552528 + ... + 600619.

It is an arithmetic number, because the mean of its divisors is an integer number (2838473802).

Almost surely, 2^27728572762 is an apocalyptic number.

27728572762 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

27728572762 is a deficient number, since it is larger than the sum of its proper divisors (17687008070).

27728572762 is a wasteful number, since it uses less digits than its factorization.

27728572762 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1154253.

The product of its digits is 9219840, while the sum is 55.

The spelling of 27728572762 in words is "twenty-seven billion, seven hundred twenty-eight million, five hundred seventy-two thousand, seven hundred sixty-two".