25428907795 has 8 divisors (see below), whose sum is σ = 30517545024. Its totient is φ = 20341222464.

The previous prime is 25428907793. The next prime is 25428907831. The reversal of 25428907795 is 59770982452.

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 25428907795 - 2¹ = 25428907793 is a prime.

It is a super-2 number, since 2×25428907795² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25428907793) 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, 177819 + ... + 287188.

It is an arithmetic number, because the mean of its divisors is an integer number (3814693128).

Almost surely, 2^25428907795 is an apocalyptic number.

25428907795 is a deficient number, since it is larger than the sum of its proper divisors (5088637229).

25428907795 is a wasteful number, since it uses less digits than its factorization.

25428907795 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 475949.

The product of its (nonzero) digits is 12700800, while the sum is 58.

The spelling of 25428907795 in words is "twenty-five billion, four hundred twenty-eight million, nine hundred seven thousand, seven hundred ninety-five".