27260676866457 has 6 divisors (see below), whose sum is σ = 39376533251562. Its totient is φ = 18173784577632.

The previous prime is 27260676866419. The next prime is 27260676866459. The reversal of 27260676866457 is 75466867606272.

It is a happy number.

27260676866457 is a `hidden beast` number, since 2 + 7 + 2 + 606 + 7 + 6 + 8 + 6 + 6 + 4 + 5 + 7 = 666.

It can be written as a sum of positive squares in only one way, i.e., 25822058934681 + 1438617931776 = 5081541^2 + 1199424^2 .

It is not a de Polignac number, because 27260676866457 - 2¹⁸ = 27260676604313 is a prime.

It is a super-2 number, since 2×27260676866457² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (27260676866459) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1514482048128 + ... + 1514482048145.

It is an arithmetic number, because the mean of its divisors is an integer number (6562755541927).

Almost surely, 2^{27260676866457} is an apocalyptic number.

It is an amenable number.

27260676866457 is a deficient number, since it is larger than the sum of its proper divisors (12115856385105).

27260676866457 is a wasteful number, since it uses less digits than its factorization.

27260676866457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3028964096279 (or 3028964096276 counting only the distinct ones).

The product of its (nonzero) digits is 1706987520, while the sum is 72.

The spelling of 27260676866457 in words is "twenty-seven trillion, two hundred sixty billion, six hundred seventy-six million, eight hundred sixty-six thousand, four hundred fifty-seven".