25780874182 has 16 divisors (see below), whose sum is σ = 44223427872. Its totient is φ = 11042035200.

The previous prime is 25780874173. The next prime is 25780874201. The reversal of 25780874182 is 28147808752.

It is a super-2 number, since 2×25780874182² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 552693 + ... + 597520.

It is an arithmetic number, because the mean of its divisors is an integer number (2763964242).

Almost surely, 2^25780874182 is an apocalyptic number.

25780874182 is a deficient number, since it is larger than the sum of its proper divisors (18442553690).

25780874182 is a wasteful number, since it uses less digits than its factorization.

25780874182 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1151823.

The product of its (nonzero) digits is 2007040, while the sum is 52.

The spelling of 25780874182 in words is "twenty-five billion, seven hundred eighty million, eight hundred seventy-four thousand, one hundred eighty-two".