25770812498 has 8 divisors (see below), whose sum is σ = 38684500992. Its totient is φ = 12875978836.

The previous prime is 25770812491. The next prime is 25770812537. The reversal of 25770812498 is 89421807752.

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (25770812491) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4710290 + ... + 4715757.

It is an arithmetic number, because the mean of its divisors is an integer number (4835562624).

Almost surely, 2^25770812498 is an apocalyptic number.

25770812498 is a deficient number, since it is larger than the sum of its proper divisors (12913688494).

25770812498 is a wasteful number, since it uses less digits than its factorization.

25770812498 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9427416.

The product of its (nonzero) digits is 2257920, while the sum is 53.

The spelling of 25770812498 in words is "twenty-five billion, seven hundred seventy million, eight hundred twelve thousand, four hundred ninety-eight".