5171320786 has 8 divisors (see below), whose sum is σ = 7774652160. Its totient is φ = 2579770068.

The previous prime is 5171320757. The next prime is 5171320789. The reversal of 5171320786 is 6870231715.

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 (5171320789) 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, 2944066 + ... + 2945821.

It is an arithmetic number, because the mean of its divisors is an integer number (971831520).

Almost surely, 2^5171320786 is an apocalyptic number.

5171320786 is a deficient number, since it is larger than the sum of its proper divisors (2603331374).

5171320786 is a wasteful number, since it uses less digits than its factorization.

5171320786 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5890328.

The product of its (nonzero) digits is 70560, while the sum is 40.

The square root of 5171320786 is about 71911.8959978111. The cubic root of 5171320786 is about 1729.2873300555.

The spelling of 5171320786 in words is "five billion, one hundred seventy-one million, three hundred twenty thousand, seven hundred eighty-six".