84052687 has 4 divisors (see below), whose sum is σ = 86764096. Its totient is φ = 81341280.

The previous prime is 84052681. The next prime is 84052691. The reversal of 84052687 is 78625048.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 84052687 - 2³ = 84052679 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84052681) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1355658 + ... + 1355719.

It is an arithmetic number, because the mean of its divisors is an integer number (21691024).

Almost surely, 2^84052687 is an apocalyptic number.

84052687 is a deficient number, since it is larger than the sum of its proper divisors (2711409).

84052687 is a wasteful number, since it uses less digits than its factorization.

84052687 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2711408.

The product of its (nonzero) digits is 107520, while the sum is 40.

The square root of 84052687 is about 9168.0252508378. The cubic root of 84052687 is about 438.0434598217.

The spelling of 84052687 in words is "eighty-four million, fifty-two thousand, six hundred eighty-seven".