25278783314 has 4 divisors (see below), whose sum is σ = 37918174974. Its totient is φ = 12639391656.

The previous prime is 25278783293. The next prime is 25278783329. The reversal of 25278783314 is 41338787252.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 14528204089 + 10750579225 = 120533^2 + 103685^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6319695827 + ... + 6319695830.

Almost surely, 2^25278783314 is an apocalyptic number.

25278783314 is a deficient number, since it is larger than the sum of its proper divisors (12639391660).

25278783314 is a wasteful number, since it uses less digits than its factorization.

25278783314 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12639391659.

The product of its digits is 2257920, while the sum is 50.

The spelling of 25278783314 in words is "twenty-five billion, two hundred seventy-eight million, seven hundred eighty-three thousand, three hundred fourteen".