87214623 has 4 divisors (see below), whose sum is σ = 116286168. Its totient is φ = 58143080.

The previous prime is 87214619. The next prime is 87214679. The reversal of 87214623 is 32641278.

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 87214623 - 2² = 87214619 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87210623) 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, 14535768 + ... + 14535773.

It is an arithmetic number, because the mean of its divisors is an integer number (29071542).

Almost surely, 2^87214623 is an apocalyptic number.

87214623 is a deficient number, since it is larger than the sum of its proper divisors (29071545).

87214623 is a wasteful number, since it uses less digits than its factorization.

87214623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29071544.

The product of its digits is 16128, while the sum is 33.

The square root of 87214623 is about 9338.8769667450. The cubic root of 87214623 is about 443.4688325842.

The spelling of 87214623 in words is "eighty-seven million, two hundred fourteen thousand, six hundred twenty-three".