84274587 has 14 divisors (see below), whose sum is σ = 126355172. Its totient is φ = 56182572.

The previous prime is 84274583. The next prime is 84274607. The reversal of 84274587 is 78547248.

It is not a de Polignac number, because 84274587 - 2² = 84274583 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (84274583) by changing a digit.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 57073 + ... + 58530.

Almost surely, 2^84274587 is an apocalyptic number.

84274587 is a deficient number, since it is larger than the sum of its proper divisors (42080585).

84274587 is an equidigital number, since it uses as much as digits as its factorization.

84274587 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115621 (or 115606 counting only the distinct ones).

The product of its digits is 501760, while the sum is 45.

The square root of 84274587 is about 9180.1191168742. The cubic root of 84274587 is about 438.4286009138.

The spelling of 84274587 in words is "eighty-four million, two hundred seventy-four thousand, five hundred eighty-seven".