25763620947 has 8 divisors (see below), whose sum is σ = 34355652240. Its totient is φ = 17173668480.

The previous prime is 25763620879. The next prime is 25763620963. The reversal of 25763620947 is 74902636752.

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

It is not a de Polignac number, because 25763620947 - 2¹¹ = 25763618899 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 25763620947.

It is not an unprimeable number, because it can be changed into a prime (25763622947) 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, 490554 + ... + 540527.

It is an arithmetic number, because the mean of its divisors is an integer number (4294456530).

Almost surely, 2^25763620947 is an apocalyptic number.

25763620947 is a deficient number, since it is larger than the sum of its proper divisors (8592031293).

25763620947 is a wasteful number, since it uses less digits than its factorization.

25763620947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1039413.

The product of its (nonzero) digits is 3810240, while the sum is 51.

The spelling of 25763620947 in words is "twenty-five billion, seven hundred sixty-three million, six hundred twenty thousand, nine hundred forty-seven".