27420250907 has 8 divisors (see below), whose sum is σ = 31778802432. Its totient is φ = 23172042600.

The previous prime is 27420250829. The next prime is 27420250909. The reversal of 27420250907 is 70905202472.

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

It is not a de Polignac number, because 27420250907 - 2¹² = 27420246811 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27420250909) 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, 27585269 + ... + 27586262.

It is an arithmetic number, because the mean of its divisors is an integer number (3972350304).

Almost surely, 2^27420250907 is an apocalyptic number.

27420250907 is a deficient number, since it is larger than the sum of its proper divisors (4358551525).

27420250907 is an equidigital number, since it uses as much as digits as its factorization.

27420250907 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55171609.

The product of its (nonzero) digits is 70560, while the sum is 38.

The spelling of 27420250907 in words is "twenty-seven billion, four hundred twenty million, two hundred fifty thousand, nine hundred seven".