27777675506 has 32 divisors (see below), whose sum is σ = 49700487168. Its totient is φ = 11384548560.

The previous prime is 27777675473. The next prime is 27777675517. The reversal of 27777675506 is 60557677772.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2180351 + ... + 2193053.

It is an arithmetic number, because the mean of its divisors is an integer number (1553140224).

Almost surely, 2^27777675506 is an apocalyptic number.

27777675506 is a deficient number, since it is larger than the sum of its proper divisors (21922811662).

27777675506 is a wasteful number, since it uses less digits than its factorization.

27777675506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19526.

The product of its (nonzero) digits is 30252600, while the sum is 59.

The spelling of 27777675506 in words is "twenty-seven billion, seven hundred seventy-seven million, six hundred seventy-five thousand, five hundred six".