87687423 has 12 divisors (see below), whose sum is σ = 126872928. Its totient is φ = 58359840.

The previous prime is 87687421. The next prime is 87687433. The reversal of 87687423 is 32478678.

It is a happy number.

It is not a de Polignac number, because 87687423 - 2¹ = 87687421 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87687421) 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, 2343 + ... + 13448.

It is an arithmetic number, because the mean of its divisors is an integer number (10572744).

Almost surely, 2^87687423 is an apocalyptic number.

87687423 is a deficient number, since it is larger than the sum of its proper divisors (39185505).

87687423 is a wasteful number, since it uses less digits than its factorization.

87687423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16414 (or 16411 counting only the distinct ones).

The product of its digits is 451584, while the sum is 45.

The square root of 87687423 is about 9364.1562887427. The cubic root of 87687423 is about 444.2687531662.

The spelling of 87687423 in words is "eighty-seven million, six hundred eighty-seven thousand, four hundred twenty-three".