87788623 has 8 divisors (see below), whose sum is σ = 95287808. Its totient is φ = 80396064.

The previous prime is 87788599. The next prime is 87788627. The reversal of 87788623 is 32688778.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 87788623 - 2⁹ = 87788111 is a prime.

It is a super-2 number, since 2×87788623² = 15413684656472258, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87788627) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24936 + ... + 28237.

It is an arithmetic number, because the mean of its divisors is an integer number (11910976).

Almost surely, 2^87788623 is an apocalyptic number.

87788623 is a deficient number, since it is larger than the sum of its proper divisors (7499185).

87788623 is a wasteful number, since it uses less digits than its factorization.

87788623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53313.

The product of its digits is 903168, while the sum is 49.

The square root of 87788623 is about 9369.5583140295. The cubic root of 87788623 is about 444.4395975559.

The spelling of 87788623 in words is "eighty-seven million, seven hundred eighty-eight thousand, six hundred twenty-three".