27657073461 has 4 divisors (see below), whose sum is σ = 36876097952. Its totient is φ = 18438048972.

The previous prime is 27657073453. The next prime is 27657073523. The reversal of 27657073461 is 16437075672.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 27657073461 - 2³ = 27657073453 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 27657073461.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27657073421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4609512241 + ... + 4609512246.

It is an arithmetic number, because the mean of its divisors is an integer number (9219024488).

Almost surely, 2^27657073461 is an apocalyptic number.

It is an amenable number.

27657073461 is a deficient number, since it is larger than the sum of its proper divisors (9219024491).

27657073461 is an equidigital number, since it uses as much as digits as its factorization.

27657073461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9219024490.

The product of its (nonzero) digits is 1481760, while the sum is 48.

The spelling of 27657073461 in words is "twenty-seven billion, six hundred fifty-seven million, seventy-three thousand, four hundred sixty-one".