25714996577 has 2 divisors, whose sum is σ = 25714996578. Its totient is φ = 25714996576.

The previous prime is 25714996547. The next prime is 25714996661. The reversal of 25714996577 is 77569941752.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 25678139536 + 36857041 = 160244^2 + 6071^2 .

It is a cyclic number.

It is not a de Polignac number, because 25714996577 - 2¹² = 25714992481 is a prime.

It is a super-2 number, since 2×25714996577² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (25714996547) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12857498288 + 12857498289.

It is an arithmetic number, because the mean of its divisors is an integer number (12857498289).

Almost surely, 2^25714996577 is an apocalyptic number.

It is an amenable number.

25714996577 is a deficient number, since it is larger than the sum of its proper divisors (1).

25714996577 is an equidigital number, since it uses as much as digits as its factorization.

25714996577 is an evil number, because the sum of its binary digits is even.

The product of its digits is 33339600, while the sum is 62.

The spelling of 25714996577 in words is "twenty-five billion, seven hundred fourteen million, nine hundred ninety-six thousand, five hundred seventy-seven".