23626185487 has 2 divisors, whose sum is σ = 23626185488. Its totient is φ = 23626185486.

The previous prime is 23626185463. The next prime is 23626185503. The reversal of 23626185487 is 78458162632.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23626185487 is a prime.

It is a super-2 number, since 2×23626185487² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23626185887) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11813092743 + 11813092744.

It is an arithmetic number, because the mean of its divisors is an integer number (11813092744).

Almost surely, 2^23626185487 is an apocalyptic number.

23626185487 is a deficient number, since it is larger than the sum of its proper divisors (1).

23626185487 is an equidigital number, since it uses as much as digits as its factorization.

23626185487 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3870720, while the sum is 52.

The spelling of 23626185487 in words is "twenty-three billion, six hundred twenty-six million, one hundred eighty-five thousand, four hundred eighty-seven".