23487025777 has 4 divisors (see below), whose sum is σ = 23489618416. Its totient is φ = 23484433140.

The previous prime is 23487025747. The next prime is 23487025781. The reversal of 23487025777 is 77752078432.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 23487025777 - 2¹⁵ = 23486993009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23487025747) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1282683 + ... + 1300864.

It is an arithmetic number, because the mean of its divisors is an integer number (5872404604).

Almost surely, 2^23487025777 is an apocalyptic number.

It is an amenable number.

23487025777 is a deficient number, since it is larger than the sum of its proper divisors (2592639).

23487025777 is an equidigital number, since it uses as much as digits as its factorization.

23487025777 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2592638.

The product of its (nonzero) digits is 4609920, while the sum is 52.

The spelling of 23487025777 in words is "twenty-three billion, four hundred eighty-seven million, twenty-five thousand, seven hundred seventy-seven".