27777308252 has 6 divisors (see below), whose sum is σ = 48610289448. Its totient is φ = 13888654124.

The previous prime is 27777308189. The next prime is 27777308269. The reversal of 27777308252 is 25280377772.

It is a self number, because there is not a number n which added to its sum of digits gives 27777308252.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3472163528 + ... + 3472163535.

It is an arithmetic number, because the mean of its divisors is an integer number (8101714908).

Almost surely, 2^27777308252 is an apocalyptic number.

It is an amenable number.

27777308252 is a deficient number, since it is larger than the sum of its proper divisors (20832981196).

27777308252 is a wasteful number, since it uses less digits than its factorization.

27777308252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6944327067 (or 6944327065 counting only the distinct ones).

The product of its (nonzero) digits is 2304960, while the sum is 50.

The spelling of 27777308252 in words is "twenty-seven billion, seven hundred seventy-seven million, three hundred eight thousand, two hundred fifty-two".