84624863 has 4 divisors (see below), whose sum is σ = 86425440. Its totient is φ = 82824288.

The previous prime is 84624851. The next prime is 84624887. The reversal of 84624863 is 36842648.

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 84624863 - 2⁴ = 84624847 is a prime.

It is a super-2 number, since 2×84624863² = 14322734875537538, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 84624863.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84624833) 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, 900218 + ... + 900311.

It is an arithmetic number, because the mean of its divisors is an integer number (21606360).

Almost surely, 2^84624863 is an apocalyptic number.

84624863 is a deficient number, since it is larger than the sum of its proper divisors (1800577).

84624863 is a wasteful number, since it uses less digits than its factorization.

84624863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1800576.

The product of its digits is 221184, while the sum is 41.

The square root of 84624863 is about 9199.1773001720. The cubic root of 84624863 is about 439.0351844888.

The spelling of 84624863 in words is "eighty-four million, six hundred twenty-four thousand, eight hundred sixty-three".