23636578680 has 512 divisors, whose sum is σ = 95568076800. Its totient is φ = 5117644800.

The previous prime is 23636578661. The next prime is 23636578727. The reversal of 23636578680 is 8687563632.

23636578680 is a `hidden beast` number, since 2 + 3 + 6 + 3 + 6 + 578 + 68 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 4785172 + ... + 4790108.

It is an arithmetic number, because the mean of its divisors is an integer number (186656400).

Almost surely, 2^23636578680 is an apocalyptic number.

23636578680 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23636578680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47784038400).

23636578680 is an abundant number, since it is smaller than the sum of its proper divisors (71931498120).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23636578680 is a wasteful number, since it uses less digits than its factorization.

23636578680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5012 (or 5002 counting only the distinct ones).

The product of its (nonzero) digits is 8709120, while the sum is 54.

The spelling of 23636578680 in words is "twenty-three billion, six hundred thirty-six million, five hundred seventy-eight thousand, six hundred eighty".