23767928639 has 12 divisors (see below), whose sum is σ = 29413566576. Its totient is φ = 18805393152.

The previous prime is 23767928629. The next prime is 23767928699. The reversal of 23767928639 is 93682976732.

It is not a de Polignac number, because 23767928639 - 2¹⁶ = 23767863103 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23767928629) 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, 10044434 + ... + 10046799.

It is an arithmetic number, because the mean of its divisors is an integer number (2451130548).

Almost surely, 2^23767928639 is an apocalyptic number.

23767928639 is a deficient number, since it is larger than the sum of its proper divisors (5645637937).

23767928639 is a wasteful number, since it uses less digits than its factorization.

23767928639 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20091266 (or 20091253 counting only the distinct ones).

The product of its digits is 41150592, while the sum is 62.

The spelling of 23767928639 in words is "twenty-three billion, seven hundred sixty-seven million, nine hundred twenty-eight thousand, six hundred thirty-nine".