25783057995 has 8 divisors (see below), whose sum is σ = 41252892816. Its totient is φ = 13750964256.

The previous prime is 25783057991. The next prime is 25783058003. The reversal of 25783057995 is 59975038752.

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

It is not a de Polignac number, because 25783057995 - 2² = 25783057991 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25783057991) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 859435252 + ... + 859435281.

It is an arithmetic number, because the mean of its divisors is an integer number (5156611602).

Almost surely, 2^25783057995 is an apocalyptic number.

25783057995 is a deficient number, since it is larger than the sum of its proper divisors (15469834821).

25783057995 is a wasteful number, since it uses less digits than its factorization.

25783057995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1718870541.

The product of its (nonzero) digits is 23814000, while the sum is 60.

The spelling of 25783057995 in words is "twenty-five billion, seven hundred eighty-three million, fifty-seven thousand, nine hundred ninety-five".