27097886146969 has 27 divisors (see below), whose sum is σ = 31436695983861. Its totient is φ = 23336955374040.

The previous prime is 27097886146909. The next prime is 27097886146997. The reversal of 27097886146969 is 96964168879072.

The square root of 27097886146969 is 5205563.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 27097886146969 - 2¹⁹ = 27097885622681 is a prime.

It is a super-2 number, since 2×27097886146969² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 27097886146892 and 27097886146901.

It is not an unprimeable number, because it can be changed into a prime (27097886146909) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 1087950214 + ... + 1087975120.

Almost surely, 2^{27097886146969} is an apocalyptic number.

27097886146969 is the 5205563-rd square number.

27097886146969 is the 2602782-nd centered octagonal number.

It is an amenable number.

27097886146969 is a deficient number, since it is larger than the sum of its proper divisors (4338809836892).

27097886146969 is an frugal number, since it uses more digits than its factorization.

27097886146969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49874 (or 24937 counting only the distinct ones).

The product of its (nonzero) digits is 3950456832, while the sum is 82.

The spelling of 27097886146969 in words is "twenty-seven trillion, ninety-seven billion, eight hundred eighty-six million, one hundred forty-six thousand, nine hundred sixty-nine".