27464754657 has 32 divisors (see below), whose sum is σ = 39029760000. Its totient is φ = 17130260160.

The previous prime is 27464754631. The next prime is 27464754659. The reversal of 27464754657 is 75645746472.

It is not a de Polignac number, because 27464754657 - 2¹⁶ = 27464689121 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a junction number, because it is equal to n+sod(n) for n = 27464754597 and 27464754606.

It is not an unprimeable number, because it can be changed into a prime (27464754659) 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 31 ways as a sum of consecutive naturals, for example, 1504219 + ... + 1522367.

It is an arithmetic number, because the mean of its divisors is an integer number (1219680000).

Almost surely, 2^27464754657 is an apocalyptic number.

It is an amenable number.

27464754657 is a deficient number, since it is larger than the sum of its proper divisors (11565005343).

27464754657 is a wasteful number, since it uses less digits than its factorization.

27464754657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18501.

The product of its digits is 39513600, while the sum is 57.

The spelling of 27464754657 in words is "twenty-seven billion, four hundred sixty-four million, seven hundred fifty-four thousand, six hundred fifty-seven".