25783265090 has 32 divisors (see below), whose sum is σ = 50761230336. Its totient is φ = 9351237760.

The previous prime is 25783265077. The next prime is 25783265119. The reversal of 25783265090 is 9056238752.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 263867 + ... + 348126.

It is an arithmetic number, because the mean of its divisors is an integer number (1586288448).

Almost surely, 2^25783265090 is an apocalyptic number.

25783265090 is a deficient number, since it is larger than the sum of its proper divisors (24977965246).

25783265090 is a wasteful number, since it uses less digits than its factorization.

25783265090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 612394.

The product of its (nonzero) digits is 907200, while the sum is 47.

The spelling of 25783265090 in words is "twenty-five billion, seven hundred eighty-three million, two hundred sixty-five thousand, ninety".