25823347881 has 8 divisors (see below), whose sum is σ = 34487856384. Its totient is φ = 17187202320.

The previous prime is 25823347853. The next prime is 25823347897. The reversal of 25823347881 is 18874332852.

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

It is not a de Polignac number, because 25823347881 - 2⁶ = 25823347817 is a prime.

It is a super-2 number, since 2×25823347881² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (25823347841) 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, 7088610 + ... + 7092251.

It is an arithmetic number, because the mean of its divisors is an integer number (4310982048).

Almost surely, 2^25823347881 is an apocalyptic number.

It is an amenable number.

25823347881 is a deficient number, since it is larger than the sum of its proper divisors (8664508503).

25823347881 is a wasteful number, since it uses less digits than its factorization.

25823347881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14181471.

The product of its digits is 2580480, while the sum is 51.

The spelling of 25823347881 in words is "twenty-five billion, eight hundred twenty-three million, three hundred forty-seven thousand, eight hundred eighty-one".