84564634287 has 24 divisors (see below), whose sum is σ = 131172412800. Its totient is φ = 48318618096.

The previous prime is 84564634247. The next prime is 84564634373. The reversal of 84564634287 is 78243646548.

It is not a de Polignac number, because 84564634287 - 2⁶ = 84564634223 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84564634247) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3448014 + ... + 3472452.

It is an arithmetic number, because the mean of its divisors is an integer number (5465517200).

Almost surely, 2^84564634287 is an apocalyptic number.

84564634287 is a deficient number, since it is larger than the sum of its proper divisors (46607778513).

84564634287 is a wasteful number, since it uses less digits than its factorization.

84564634287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47995 (or 47988 counting only the distinct ones).

The product of its digits is 30965760, while the sum is 57.

The spelling of 84564634287 in words is "eighty-four billion, five hundred sixty-four million, six hundred thirty-four thousand, two hundred eighty-seven".