23986907678 has 4 divisors (see below), whose sum is σ = 35980361520. Its totient is φ = 11993453838.

The previous prime is 23986907677. The next prime is 23986907687. The reversal of 23986907678 is 87670968932.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23986907677) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5996726918 + ... + 5996726921.

It is an arithmetic number, because the mean of its divisors is an integer number (8995090380).

Almost surely, 2^23986907678 is an apocalyptic number.

23986907678 is a deficient number, since it is larger than the sum of its proper divisors (11993453842).

23986907678 is a wasteful number, since it uses less digits than its factorization.

23986907678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11993453841.

The product of its (nonzero) digits is 54867456, while the sum is 65.

The spelling of 23986907678 in words is "twenty-three billion, nine hundred eighty-six million, nine hundred seven thousand, six hundred seventy-eight".