6991797062 has 8 divisors (see below), whose sum is σ = 10500661800. Its totient is φ = 3491576464.

The previous prime is 6991797049. The next prime is 6991797067. The reversal of 6991797062 is 2607971996.

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

It is a junction number, because it is equal to n+sod(n) for n = 6991796989 and 6991797007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6991797067) 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 3 ways as a sum of consecutive naturals, for example, 2159012 + ... + 2162247.

It is an arithmetic number, because the mean of its divisors is an integer number (1312582725).

Almost surely, 2^6991797062 is an apocalyptic number.

6991797062 is a deficient number, since it is larger than the sum of its proper divisors (3508864738).

6991797062 is a wasteful number, since it uses less digits than its factorization.

6991797062 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4322070.

The product of its (nonzero) digits is 2571912, while the sum is 56.

The square root of 6991797062 is about 83616.9663525292. The cubic root of 6991797062 is about 1912.1836689963.

The spelling of 6991797062 in words is "six billion, nine hundred ninety-one million, seven hundred ninety-seven thousand, sixty-two".