27358758961 has 8 divisors (see below), whose sum is σ = 27993166560. Its totient is φ = 26730041472.

The previous prime is 27358758913. The next prime is 27358758983. The reversal of 27358758961 is 16985785372.

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 27358758961 - 2¹⁷ = 27358627889 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 27358758961.

It is not an unprimeable number, because it can be changed into a prime (27358558961) 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 7 ways as a sum of consecutive naturals, for example, 1412800 + ... + 1432033.

It is an arithmetic number, because the mean of its divisors is an integer number (3499145820).

Almost surely, 2^27358758961 is an apocalyptic number.

It is an amenable number.

27358758961 is a deficient number, since it is larger than the sum of its proper divisors (634407599).

27358758961 is a wasteful number, since it uses less digits than its factorization.

27358758961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2845055.

The product of its digits is 25401600, while the sum is 61.

The spelling of 27358758961 in words is "twenty-seven billion, three hundred fifty-eight million, seven hundred fifty-eight thousand, nine hundred sixty-one".