25720750047 has 32 divisors (see below), whose sum is σ = 35941377024. Its totient is φ = 16344204800.

The previous prime is 25720750031. The next prime is 25720750061. The reversal of 25720750047 is 74005702752.

It is a cyclic number.

It is not a de Polignac number, because 25720750047 - 2⁴ = 25720750031 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 25720749987 and 25720750014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25720750007) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3563272 + ... + 3570482.

It is an arithmetic number, because the mean of its divisors is an integer number (1123168032).

Almost surely, 2^25720750047 is an apocalyptic number.

25720750047 is a deficient number, since it is larger than the sum of its proper divisors (10220626977).

25720750047 is a wasteful number, since it uses less digits than its factorization.

25720750047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7919.

The product of its (nonzero) digits is 137200, while the sum is 39.

The spelling of 25720750047 in words is "twenty-five billion, seven hundred twenty million, seven hundred fifty thousand, forty-seven".