5171120782 has 4 divisors (see below), whose sum is σ = 7756681176. Its totient is φ = 2585560390.

The previous prime is 5171120771. The next prime is 5171120813. The reversal of 5171120782 is 2870211715.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1292780194 + ... + 1292780197.

It is an arithmetic number, because the mean of its divisors is an integer number (1939170294).

Almost surely, 2^5171120782 is an apocalyptic number.

5171120782 is a deficient number, since it is larger than the sum of its proper divisors (2585560394).

5171120782 is a wasteful number, since it uses less digits than its factorization.

5171120782 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2585560393.

The product of its (nonzero) digits is 7840, while the sum is 34.

The square root of 5171120782 is about 71910.5053660451. The cubic root of 5171120782 is about 1729.2650360190.

The spelling of 5171120782 in words is "five billion, one hundred seventy-one million, one hundred twenty thousand, seven hundred eighty-two".