159472793 has 4 divisors (see below), whose sum is σ = 159900708. Its totient is φ = 159044880.

The previous prime is 159472787. The next prime is 159472799. The reversal of 159472793 is 397274951.

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

It is an interprime number because it is at equal distance from previous prime (159472787) and next prime (159472799).

It can be written as a sum of positive squares in 2 ways, for example, as 125507209 + 33965584 = 11203^2 + 5828^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-159472793 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (159472799) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 213398 + ... + 214143.

It is an arithmetic number, because the mean of its divisors is an integer number (39975177).

Almost surely, 2^159472793 is an apocalyptic number.

It is an amenable number.

159472793 is a deficient number, since it is larger than the sum of its proper divisors (427915).

159472793 is an equidigital number, since it uses as much as digits as its factorization.

159472793 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 427914.

The product of its digits is 476280, while the sum is 47.

The square root of 159472793 is about 12628.2537589328. The cubic root of 159472793 is about 542.2865922132.

The spelling of 159472793 in words is "one hundred fifty-nine million, four hundred seventy-two thousand, seven hundred ninety-three".