25078973005 has 8 divisors (see below), whose sum is σ = 30588124824. Its totient is φ = 19734273600.

The previous prime is 25078972981. The next prime is 25078973011. The reversal of 25078973005 is 50037987052.

It can be written as a sum of positive squares in 4 ways, for example, as 681157801 + 24397815204 = 26099^2 + 156198^2 .

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

It is a de Polignac number, because none of the positive numbers 2^k-25078973005 is a prime.

It is a Duffinian number.

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, 41112766 + ... + 41113375.

It is an arithmetic number, because the mean of its divisors is an integer number (3823515603).

Almost surely, 2^25078973005 is an apocalyptic number.

It is an amenable number.

25078973005 is a deficient number, since it is larger than the sum of its proper divisors (5509151819).

25078973005 is an equidigital number, since it uses as much as digits as its factorization.

25078973005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82226207.

The product of its (nonzero) digits is 529200, while the sum is 46.

The spelling of 25078973005 in words is "twenty-five billion, seventy-eight million, nine hundred seventy-three thousand, five".