25797975337 has 8 divisors (see below), whose sum is σ = 27322887816. Its totient is φ = 24273883392.

The previous prime is 25797975331. The next prime is 25797975341. The reversal of 25797975337 is 73357979752.

It can be written as a sum of positive squares in 4 ways, for example, as 12412410921 + 13385564416 = 111411^2 + 115696^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 25797975337 - 2¹⁹ = 25797451049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25797975331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 139798 + ... + 266719.

It is an arithmetic number, because the mean of its divisors is an integer number (3415360977).

Almost surely, 2^25797975337 is an apocalyptic number.

It is an amenable number.

25797975337 is a deficient number, since it is larger than the sum of its proper divisors (1524912479).

25797975337 is a wasteful number, since it uses less digits than its factorization.

25797975337 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 410267.

The product of its digits is 87516450, while the sum is 64.

The spelling of 25797975337 in words is "twenty-five billion, seven hundred ninety-seven million, nine hundred seventy-five thousand, three hundred thirty-seven".