25887784023 has 12 divisors (see below), whose sum is σ = 37400149488. Its totient is φ = 17255437920.

The previous prime is 25887783983. The next prime is 25887784037. The reversal of 25887784023 is 32048778852.

It is not a de Polignac number, because 25887784023 - 2⁶ = 25887783959 is a prime.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25887784073) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 203323 + ... + 305148.

It is an arithmetic number, because the mean of its divisors is an integer number (3116679124).

Almost surely, 2^25887784023 is an apocalyptic number.

25887784023 is a deficient number, since it is larger than the sum of its proper divisors (11512365465).

25887784023 is a wasteful number, since it uses less digits than its factorization.

25887784023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 514134 (or 514131 counting only the distinct ones).

The product of its (nonzero) digits is 6021120, while the sum is 54.

The spelling of 25887784023 in words is "twenty-five billion, eight hundred eighty-seven million, seven hundred eighty-four thousand, twenty-three".