27715804489 has 8 divisors (see below), whose sum is σ = 28529737280. Its totient is φ = 26905285296.

The previous prime is 27715804483. The next prime is 27715804547. The reversal of 27715804489 is 98440851772.

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 27715804489 - 2²⁷ = 27581586761 is a prime.

It is a super-2 number, since 2×27715804489² (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 (27715804483) 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, 836919 + ... + 869404.

It is an arithmetic number, because the mean of its divisors is an integer number (3566217160).

Almost surely, 2^27715804489 is an apocalyptic number.

It is an amenable number.

27715804489 is a deficient number, since it is larger than the sum of its proper divisors (813932791).

27715804489 is a wasteful number, since it uses less digits than its factorization.

27715804489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1706799.

The product of its (nonzero) digits is 4515840, while the sum is 55.

The spelling of 27715804489 in words is "twenty-seven billion, seven hundred fifteen million, eight hundred four thousand, four hundred eighty-nine".