27097886146997 has 2 divisors, whose sum is σ = 27097886146998. Its totient is φ = 27097886146996.

The previous prime is 27097886146909. The next prime is 27097886147009. The reversal of 27097886146997 is 79964168879072.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 26617901836516 + 479984310481 = 5159254^2 + 692809^2 .

It is a cyclic number.

It is not a de Polignac number, because 27097886146997 - 2²⁰ = 27097885098421 is a prime.

It is a super-2 number, since 2×27097886146997² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27097886143997) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13548943073498 + 13548943073499.

It is an arithmetic number, because the mean of its divisors is an integer number (13548943073499).

Almost surely, 2^{27097886146997} is an apocalyptic number.

It is an amenable number.

27097886146997 is a deficient number, since it is larger than the sum of its proper divisors (1).

27097886146997 is an equidigital number, since it uses as much as digits as its factorization.

27097886146997 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4608866304, while the sum is 83.

The spelling of 27097886146997 in words is "twenty-seven trillion, ninety-seven billion, eight hundred eighty-six million, one hundred forty-six thousand, nine hundred ninety-seven".