5197992782 has 4 divisors (see below), whose sum is σ = 7796989176. Its totient is φ = 2598996390.

The previous prime is 5197992769. The next prime is 5197992803. The reversal of 5197992782 is 2872997915.

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

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1299498194 + ... + 1299498197.

It is an arithmetic number, because the mean of its divisors is an integer number (1949247294).

Almost surely, 2^5197992782 is an apocalyptic number.

5197992782 is a deficient number, since it is larger than the sum of its proper divisors (2598996394).

5197992782 is a wasteful number, since it uses less digits than its factorization.

5197992782 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2598996393.

The product of its digits is 5715360, while the sum is 59.

The square root of 5197992782 is about 72097.1066132338. The cubic root of 5197992782 is about 1732.2552677983.

The spelling of 5197992782 in words is "five billion, one hundred ninety-seven million, nine hundred ninety-two thousand, seven hundred eighty-two".