25083030778 has 8 divisors (see below), whose sum is σ = 40518742068. Its totient is φ = 11576783424.

The previous prime is 25083030769. The next prime is 25083030779. The reversal of 25083030778 is 87703038052.

It can be written as a sum of positive squares in 2 ways, for example, as 18216091089 + 6866939689 = 134967^2 + 82867^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (25083030779) by changing a digit.

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, 482365951 + ... + 482366002.

Almost surely, 2^25083030778 is an apocalyptic number.

25083030778 is a deficient number, since it is larger than the sum of its proper divisors (15435711290).

25083030778 is a wasteful number, since it uses less digits than its factorization.

25083030778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 964731968.

The product of its (nonzero) digits is 282240, while the sum is 43.

The spelling of 25083030778 in words is "twenty-five billion, eighty-three million, thirty thousand, seven hundred seventy-eight".