23477287680 has 1296 divisors, whose sum is σ = 109051488000. Its totient is φ = 4598415360.

The previous prime is 23477287679. The next prime is 23477287711. The reversal of 23477287680 is 8678277432.

23477287680 is a `hidden beast` number, since 2 + 3 + 477 + 28 + 76 + 80 = 666.

It is a congruent number.

It is an unprimeable number.

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 in 143 ways as a sum of consecutive naturals, for example, 117976221 + ... + 117976419.

Almost surely, 2^23477287680 is an apocalyptic number.

23477287680 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 23477287680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54525744000).

23477287680 is an abundant number, since it is smaller than the sum of its proper divisors (85574200320).

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

23477287680 is a wasteful number, since it uses less digits than its factorization.

23477287680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270 (or 246 counting only the distinct ones).

The product of its (nonzero) digits is 6322176, while the sum is 54.

The spelling of 23477287680 in words is "twenty-three billion, four hundred seventy-seven million, two hundred eighty-seven thousand, six hundred eighty".