25609796476 has 48 divisors (see below), whose sum is σ = 51211657728. Its totient is φ = 11092241600.

The previous prime is 25609796467. The next prime is 25609796479. The reversal of 25609796476 is 67469790652.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25609796479) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 218046 + ... + 314266.

It is an arithmetic number, because the mean of its divisors is an integer number (1066909536).

Almost surely, 2^25609796476 is an apocalyptic number.

It is an amenable number.

25609796476 is a deficient number, since it is larger than the sum of its proper divisors (25601861252).

25609796476 is a wasteful number, since it uses less digits than its factorization.

25609796476 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96522 (or 96520 counting only the distinct ones).

The product of its (nonzero) digits is 34292160, while the sum is 61.

The spelling of 25609796476 in words is "twenty-five billion, six hundred nine million, seven hundred ninety-six thousand, four hundred seventy-six".