25989287075 has 12 divisors (see below), whose sum is σ = 32976175848. Its totient is φ = 20307907200.

The previous prime is 25989287053. The next prime is 25989287101. The reversal of 25989287075 is 57078298952.

It is a happy number.

It is not a de Polignac number, because 25989287075 - 2⁶ = 25989287011 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 25989286999 and 25989287017.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12086966 + ... + 12089115.

It is an arithmetic number, because the mean of its divisors is an integer number (2748014654).

Almost surely, 2^25989287075 is an apocalyptic number.

25989287075 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

25989287075 is a deficient number, since it is larger than the sum of its proper divisors (6986888773).

25989287075 is a wasteful number, since it uses less digits than its factorization.

25989287075 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24176134 (or 24176129 counting only the distinct ones).

The product of its (nonzero) digits is 25401600, while the sum is 62.

The spelling of 25989287075 in words is "twenty-five billion, nine hundred eighty-nine million, two hundred eighty-seven thousand, seventy-five".