84715623 has 12 divisors (see below), whose sum is σ = 128807640. Its totient is φ = 53504496.

The previous prime is 84715619. The next prime is 84715627. The reversal of 84715623 is 32651748.

It is an interprime number because it is at equal distance from previous prime (84715619) and next prime (84715627).

It is not a de Polignac number, because 84715623 - 2² = 84715619 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84715627) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 247536 + ... + 247877.

It is an arithmetic number, because the mean of its divisors is an integer number (10733970).

Almost surely, 2^84715623 is an apocalyptic number.

84715623 is a deficient number, since it is larger than the sum of its proper divisors (44092017).

84715623 is a wasteful number, since it uses less digits than its factorization.

84715623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 495438 (or 495435 counting only the distinct ones).

The product of its digits is 40320, while the sum is 36.

The square root of 84715623 is about 9204.1090280374. The cubic root of 84715623 is about 439.1920832031.

The spelling of 84715623 in words is "eighty-four million, seven hundred fifteen thousand, six hundred twenty-three".