27700276877 has 12 divisors (see below), whose sum is σ = 34701446556. Its totient is φ = 21916702080.

The previous prime is 27700276859. The next prime is 27700276897. The reversal of 27700276877 is 77867200772.

It can be written as a sum of positive squares in 2 ways, for example, as 2810166121 + 24890110756 = 53011^2 + 157766^2 .

It is not a de Polignac number, because 27700276877 - 2¹² = 27700272781 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27700276817) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21742124 + ... + 21743397.

It is an arithmetic number, because the mean of its divisors is an integer number (2891787213).

Almost surely, 2^27700276877 is an apocalyptic number.

It is an amenable number.

27700276877 is a deficient number, since it is larger than the sum of its proper divisors (7001169679).

27700276877 is a wasteful number, since it uses less digits than its factorization.

27700276877 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43485548 (or 43485541 counting only the distinct ones).

The product of its (nonzero) digits is 3226944, while the sum is 53.

The spelling of 27700276877 in words is "twenty-seven billion, seven hundred million, two hundred seventy-six thousand, eight hundred seventy-seven".