25783304084 has 6 divisors (see below), whose sum is σ = 45120782154. Its totient is φ = 12891652040.

The previous prime is 25783304081. The next prime is 25783304087. The reversal of 25783304084 is 48040338752.

It is an interprime number because it is at equal distance from previous prime (25783304081) and next prime (25783304087).

It can be written as a sum of positive squares in only one way, i.e., 18807379600 + 6975924484 = 137140^2 + 83522^2 .

It is a super-2 number, since 2×25783304084² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25783304081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3222913007 + ... + 3222913014.

It is an arithmetic number, because the mean of its divisors is an integer number (7520130359).

Almost surely, 2^25783304084 is an apocalyptic number.

It is an amenable number.

25783304084 is a deficient number, since it is larger than the sum of its proper divisors (19337478070).

25783304084 is a wasteful number, since it uses less digits than its factorization.

25783304084 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6445826025 (or 6445826023 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 44.

The spelling of 25783304084 in words is "twenty-five billion, seven hundred eighty-three million, three hundred four thousand, eighty-four".