25894827876 has 12 divisors (see below), whose sum is σ = 60421265072. Its totient is φ = 8631609288.

The previous prime is 25894827799. The next prime is 25894827883. The reversal of 25894827876 is 67872849852.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×25894827876² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1078951150 + ... + 1078951173.

Almost surely, 2^25894827876 is an apocalyptic number.

It is an amenable number.

25894827876 is an abundant number, since it is smaller than the sum of its proper divisors (34526437196).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25894827876 is a wasteful number, since it uses less digits than its factorization.

25894827876 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2157902330 (or 2157902328 counting only the distinct ones).

The product of its digits is 108380160, while the sum is 66.

The spelling of 25894827876 in words is "twenty-five billion, eight hundred ninety-four million, eight hundred twenty-seven thousand, eight hundred seventy-six".