27294949987 has 8 divisors (see below), whose sum is σ = 28038517056. Its totient is φ = 26551691712.

The previous prime is 27294949963. The next prime is 27294950051. The reversal of 27294949987 is 78994949272.

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 27294949987 - 2¹⁵ = 27294917219 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27294949937) 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, 107958 + ... + 257380.

It is an arithmetic number, because the mean of its divisors is an integer number (3504814632).

Almost surely, 2^27294949987 is an apocalyptic number.

27294949987 is a deficient number, since it is larger than the sum of its proper divisors (743567069).

27294949987 is a wasteful number, since it uses less digits than its factorization.

27294949987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154397.

The product of its digits is 164602368, while the sum is 70.

The spelling of 27294949987 in words is "twenty-seven billion, two hundred ninety-four million, nine hundred forty-nine thousand, nine hundred eighty-seven".