25777485282 has 16 divisors (see below), whose sum is σ = 51556620960. Its totient is φ = 8592220032.

The previous prime is 25777485277. The next prime is 25777485289. The reversal of 25777485282 is 28258477752.

It is not an unprimeable number, because it can be changed into a prime (25777485289) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 243033 + ... + 332595.

It is an arithmetic number, because the mean of its divisors is an integer number (3222288810).

Almost surely, 2^25777485282 is an apocalyptic number.

25777485282 is an abundant number, since it is smaller than the sum of its proper divisors (25779135678).

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

25777485282 is a wasteful number, since it uses less digits than its factorization.

25777485282 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137537.

The product of its digits is 17561600, while the sum is 57.

The spelling of 25777485282 in words is "twenty-five billion, seven hundred seventy-seven million, four hundred eighty-five thousand, two hundred eighty-two".