25782915932 has 6 divisors (see below), whose sum is σ = 45120102888. Its totient is φ = 12891457964.

The previous prime is 25782915923. The next prime is 25782915941. The reversal of 25782915932 is 23951928752.

It is an interprime number because it is at equal distance from previous prime (25782915923) and next prime (25782915941).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3222864488 + ... + 3222864495.

It is an arithmetic number, because the mean of its divisors is an integer number (7520017148).

Almost surely, 2^25782915932 is an apocalyptic number.

It is an amenable number.

25782915932 is a deficient number, since it is larger than the sum of its proper divisors (19337186956).

25782915932 is a wasteful number, since it uses less digits than its factorization.

25782915932 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6445728987 (or 6445728985 counting only the distinct ones).

The product of its digits is 2721600, while the sum is 53.

The spelling of 25782915932 in words is "twenty-five billion, seven hundred eighty-two million, nine hundred fifteen thousand, nine hundred thirty-two".