25857999483 has 8 divisors (see below), whose sum is σ = 34949625168. Its totient is φ = 17002520064.

The previous prime is 25857999463. The next prime is 25857999581. The reversal of 25857999483 is 38499975852.

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

It is not a de Polignac number, because 25857999483 - 2²⁸ = 25589564027 is a prime.

It is a super-2 number, since 2×25857999483² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (25857999463) 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, 59036310 + ... + 59036747.

It is an arithmetic number, because the mean of its divisors is an integer number (4368703146).

Almost surely, 2^25857999483 is an apocalyptic number.

25857999483 is a deficient number, since it is larger than the sum of its proper divisors (9091625685).

25857999483 is a wasteful number, since it uses less digits than its factorization.

25857999483 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118073133.

The product of its digits is 195955200, while the sum is 69.

The spelling of 25857999483 in words is "twenty-five billion, eight hundred fifty-seven million, nine hundred ninety-nine thousand, four hundred eighty-three".