23775885487 has 2 divisors, whose sum is σ = 23775885488. Its totient is φ = 23775885486.

The previous prime is 23775885481. The next prime is 23775885541. The reversal of 23775885487 is 78458857732.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23775885487 - 2⁷ = 23775885359 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23775885481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11887942743 + 11887942744.

It is an arithmetic number, because the mean of its divisors is an integer number (11887942744).

Almost surely, 2^23775885487 is an apocalyptic number.

23775885487 is a deficient number, since it is larger than the sum of its proper divisors (1).

23775885487 is an equidigital number, since it uses as much as digits as its factorization.

23775885487 is an evil number, because the sum of its binary digits is even.

The product of its digits is 105369600, while the sum is 64.

The spelling of 23775885487 in words is "twenty-three billion, seven hundred seventy-five million, eight hundred eighty-five thousand, four hundred eighty-seven".