23763909780 has 72 divisors (see below), whose sum is σ = 77628779592. Its totient is φ = 5849577216.

The previous prime is 23763909773. The next prime is 23763909781. The reversal of 23763909780 is 8790936732.

23763909780 is a `hidden beast` number, since 23 + 76 + 390 + 97 + 80 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 1375371396 + 22388538384 = 37086^2 + 149628^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23763909781) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5075419 + ... + 5080098.

Almost surely, 2^23763909780 is an apocalyptic number.

23763909780 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23763909780 is an abundant number, since it is smaller than the sum of its proper divisors (53864869812).

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

23763909780 is a wasteful number, since it uses less digits than its factorization.

23763909780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10155545 (or 10155540 counting only the distinct ones).

The product of its (nonzero) digits is 3429216, while the sum is 54.

The spelling of 23763909780 in words is "twenty-three billion, seven hundred sixty-three million, nine hundred nine thousand, seven hundred eighty".