25342677799 has 2 divisors, whose sum is σ = 25342677800. Its totient is φ = 25342677798.

The previous prime is 25342677697. The next prime is 25342677803. The reversal of 25342677799 is 99777624352.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25342677799 - 2¹¹ = 25342675751 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25342671799) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12671338899 + 12671338900.

It is an arithmetic number, because the mean of its divisors is an integer number (12671338900).

Almost surely, 2^25342677799 is an apocalyptic number.

25342677799 is a deficient number, since it is larger than the sum of its proper divisors (1).

25342677799 is an equidigital number, since it uses as much as digits as its factorization.

25342677799 is an evil number, because the sum of its binary digits is even.

The product of its digits is 40007520, while the sum is 61.

The spelling of 25342677799 in words is "twenty-five billion, three hundred forty-two million, six hundred seventy-seven thousand, seven hundred ninety-nine".