15795955397 has 8 divisors (see below), whose sum is σ = 16004044056. Its totient is φ = 15588790272.

The previous prime is 15795955391. The next prime is 15795955403. The reversal of 15795955397 is 79355959751.

15795955397 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (15795955391) and next prime (15795955403).

It can be written as a sum of positive squares in 4 ways, for example, as 19088161 + 15776867236 = 4369^2 + 125606^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 15795955397 - 2²⁸ = 15527519941 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15795955391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 196418 + ... + 264899.

It is an arithmetic number, because the mean of its divisors is an integer number (2000505507).

Almost surely, 2^15795955397 is an apocalyptic number.

It is an amenable number.

15795955397 is a deficient number, since it is larger than the sum of its proper divisors (208088659).

15795955397 is an equidigital number, since it uses as much as digits as its factorization.

15795955397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 461767.

The product of its digits is 66976875, while the sum is 65.

The spelling of 15795955397 in words is "fifteen billion, seven hundred ninety-five million, nine hundred fifty-five thousand, three hundred ninety-seven".