87926623 has 4 divisors (see below), whose sum is σ = 92554360. Its totient is φ = 83298888.

The previous prime is 87926609. The next prime is 87926647. The reversal of 87926623 is 32662978.

It is a semiprime because it is the product of two primes.

It is a de Polignac number, because none of the positive numbers 2^k-87926623 is a prime.

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 87926623.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87926603) 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, 2313840 + ... + 2313877.

It is an arithmetic number, because the mean of its divisors is an integer number (23138590).

Almost surely, 2^87926623 is an apocalyptic number.

87926623 is a deficient number, since it is larger than the sum of its proper divisors (4627737).

87926623 is a wasteful number, since it uses less digits than its factorization.

87926623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4627736.

The product of its digits is 217728, while the sum is 43.

The square root of 87926623 is about 9376.9196967874. The cubic root of 87926623 is about 444.6723557158.

The spelling of 87926623 in words is "eighty-seven million, nine hundred twenty-six thousand, six hundred twenty-three".