27654898969 has 8 divisors (see below), whose sum is σ = 27885721248. Its totient is φ = 27424375680.

The previous prime is 27654898967. The next prime is 27654899033. The reversal of 27654898969 is 96989845672.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 27654898969 - 2¹ = 27654898967 is a prime.

It is a super-2 number, since 2×27654898969² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27654898961) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 112969 + ... + 260905.

It is an arithmetic number, because the mean of its divisors is an integer number (3485715156).

Almost surely, 2^27654898969 is an apocalyptic number.

It is an amenable number.

27654898969 is a deficient number, since it is larger than the sum of its proper divisors (230822279).

27654898969 is a wasteful number, since it uses less digits than its factorization.

27654898969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149495.

The product of its digits is 470292480, while the sum is 73.

The spelling of 27654898969 in words is "twenty-seven billion, six hundred fifty-four million, eight hundred ninety-eight thousand, nine hundred sixty-nine".