27793275090 has 32 divisors (see below), whose sum is σ = 76232983680. Its totient is φ = 6352748544.

The previous prime is 27793275007. The next prime is 27793275137. The reversal of 27793275090 is 9057239772.

It is a super-2 number, since 2×27793275090² (a number of 22 digits) contains 22 as substring.

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, 66174255 + ... + 66174674.

It is an arithmetic number, because the mean of its divisors is an integer number (2382280740).

Almost surely, 2^27793275090 is an apocalyptic number.

27793275090 is an abundant number, since it is smaller than the sum of its proper divisors (48439708590).

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

27793275090 is a wasteful number, since it uses less digits than its factorization.

27793275090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132348946.

The product of its (nonzero) digits is 1666980, while the sum is 51.

The spelling of 27793275090 in words is "twenty-seven billion, seven hundred ninety-three million, two hundred seventy-five thousand, ninety".