27777645130 has 16 divisors (see below), whose sum is σ = 50006471040. Its totient is φ = 11109566992.

The previous prime is 27777645107. The next prime is 27777645149. The reversal of 27777645130 is 3154677772.

27777645130 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

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, 106510 + ... + 258649.

It is an arithmetic number, because the mean of its divisors is an integer number (3125404440).

Almost surely, 2^27777645130 is an apocalyptic number.

27777645130 is a deficient number, since it is larger than the sum of its proper divisors (22228825910).

27777645130 is a wasteful number, since it uses less digits than its factorization.

27777645130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 372773.

The product of its (nonzero) digits is 1728720, while the sum is 49.

The spelling of 27777645130 in words is "twenty-seven billion, seven hundred seventy-seven million, six hundred forty-five thousand, one hundred thirty".