27400016577 has 32 divisors (see below), whose sum is σ = 39029323392. Its totient is φ = 17038393344.

The previous prime is 27400016573. The next prime is 27400016639. The reversal of 27400016577 is 77561000472.

It is not a de Polignac number, because 27400016577 - 2² = 27400016573 is a prime.

It is not an unprimeable number, because it can be changed into a prime (27400016573) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4699338 + ... + 4705164.

It is an arithmetic number, because the mean of its divisors is an integer number (1219666356).

Almost surely, 2^27400016577 is an apocalyptic number.

It is an amenable number.

27400016577 is a deficient number, since it is larger than the sum of its proper divisors (11629306815).

27400016577 is a wasteful number, since it uses less digits than its factorization.

27400016577 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6657.

The product of its (nonzero) digits is 82320, while the sum is 39.

The spelling of 27400016577 in words is "twenty-seven billion, four hundred million, sixteen thousand, five hundred seventy-seven".