25830000905 has 8 divisors (see below), whose sum is σ = 30997579200. Its totient is φ = 20662948656.

The previous prime is 25830000901. The next prime is 25830000913. The reversal of 25830000905 is 50900003852.

It is a happy number.

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 25830000905 - 2² = 25830000901 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25830000901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13925 + ... + 227714.

It is an arithmetic number, because the mean of its divisors is an integer number (3874697400).

Almost surely, 2^25830000905 is an apocalyptic number.

It is an amenable number.

25830000905 is a deficient number, since it is larger than the sum of its proper divisors (5167578295).

25830000905 is a wasteful number, since it uses less digits than its factorization.

25830000905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 263023.

The product of its (nonzero) digits is 10800, while the sum is 32.

The spelling of 25830000905 in words is "twenty-five billion, eight hundred thirty million, nine hundred five", and thus it is an aban number.