23987878 has 8 divisors (see below), whose sum is σ = 36244872. Its totient is φ = 11906256.

The previous prime is 23987869. The next prime is 23987891. The reversal of 23987878 is 87878932.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43500 + ... + 44047.

It is an arithmetic number, because the mean of its divisors is an integer number (4530609).

Almost surely, 2^23987878 is an apocalyptic number.

23987878 is a deficient number, since it is larger than the sum of its proper divisors (12256994).

23987878 is a wasteful number, since it uses less digits than its factorization.

23987878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87686.

The product of its digits is 1354752, while the sum is 52.

The square root of 23987878 is about 4897.7421328608. The cubic root of 23987878 is about 288.4013421349.

The spelling of 23987878 in words is "twenty-three million, nine hundred eighty-seven thousand, eight hundred seventy-eight".