84864253 has 4 divisors (see below), whose sum is σ = 84889440. Its totient is φ = 84839068.

The previous prime is 84864229. The next prime is 84864271. The reversal of 84864253 is 35246848.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 84864253 - 2²⁵ = 51309821 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 (84864293) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6583 + ... + 14596.

It is an arithmetic number, because the mean of its divisors is an integer number (21222360).

Almost surely, 2^84864253 is an apocalyptic number.

It is an amenable number.

84864253 is a deficient number, since it is larger than the sum of its proper divisors (25187).

84864253 is a wasteful number, since it uses less digits than its factorization.

84864253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25186.

The product of its digits is 184320, while the sum is 40.

The square root of 84864253 is about 9212.1796009414. The cubic root of 84864253 is about 439.4487811566.

The spelling of 84864253 in words is "eighty-four million, eight hundred sixty-four thousand, two hundred fifty-three".