25477730023 has 2 divisors, whose sum is σ = 25477730024. Its totient is φ = 25477730022.

The previous prime is 25477729997. The next prime is 25477730077. The reversal of 25477730023 is 32003777452.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25477730023 is a prime.

It is a super-2 number, since 2×25477730023² (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 (25477730123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12738865011 + 12738865012.

It is an arithmetic number, because the mean of its divisors is an integer number (12738865012).

Almost surely, 2^25477730023 is an apocalyptic number.

25477730023 is a deficient number, since it is larger than the sum of its proper divisors (1).

25477730023 is an equidigital number, since it uses as much as digits as its factorization.

25477730023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 246960, while the sum is 40.

The spelling of 25477730023 in words is "twenty-five billion, four hundred seventy-seven million, seven hundred thirty thousand, twenty-three".