8252457399 has 24 divisors (see below), whose sum is σ = 12112309872. Its totient is φ = 5413651200.

The previous prime is 8252457391. The next prime is 8252457401. The reversal of 8252457399 is 9937542528.

8252457399 is a `hidden beast` number, since 8 + 2 + 5 + 245 + 7 + 399 = 666.

It is not a de Polignac number, because 8252457399 - 2³ = 8252457391 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8252457391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 120319 + ... + 176015.

It is an arithmetic number, because the mean of its divisors is an integer number (504679578).

Almost surely, 2^8252457399 is an apocalyptic number.

8252457399 is a deficient number, since it is larger than the sum of its proper divisors (3859852473).

8252457399 is a wasteful number, since it uses less digits than its factorization.

8252457399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55967 (or 55964 counting only the distinct ones).

The product of its digits is 5443200, while the sum is 54.

The square root of 8252457399 is about 90843.0371520019. The cubic root of 8252457399 is about 2020.8206154286.

The spelling of 8252457399 in words is "eight billion, two hundred fifty-two million, four hundred fifty-seven thousand, three hundred ninety-nine".