27776864053 has 2 divisors, whose sum is σ = 27776864054. Its totient is φ = 27776864052.

The previous prime is 27776864033. The next prime is 27776864107. The reversal of 27776864053 is 35046867772.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19455228324 + 8321635729 = 139482^2 + 91223^2 .

It is a cyclic number.

It is not a de Polignac number, because 27776864053 - 2¹³ = 27776855861 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 27776863985 and 27776864003.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27776864023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13888432026 + 13888432027.

It is an arithmetic number, because the mean of its divisors is an integer number (13888432027).

Almost surely, 2^27776864053 is an apocalyptic number.

It is an amenable number.

27776864053 is a deficient number, since it is larger than the sum of its proper divisors (1).

27776864053 is an equidigital number, since it uses as much as digits as its factorization.

27776864053 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11854080, while the sum is 55.

The spelling of 27776864053 in words is "twenty-seven billion, seven hundred seventy-six million, eight hundred sixty-four thousand, fifty-three".