3197477842 has 16 divisors (see below), whose sum is σ = 5172370560. Its totient is φ = 1473697872.

The previous prime is 3197477839. The next prime is 3197477849. The reversal of 3197477842 is 2487747913.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 3197477842.

It is not an unprimeable number, because it can be changed into a prime (3197477849) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66828 + ... + 104215.

It is an arithmetic number, because the mean of its divisors is an integer number (323273160).

Almost surely, 2^3197477842 is an apocalyptic number.

3197477842 is a deficient number, since it is larger than the sum of its proper divisors (1974892718).

3197477842 is a wasteful number, since it uses less digits than its factorization.

3197477842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171777.

The product of its digits is 2370816, while the sum is 52.

The square root of 3197477842 is about 56546.2451626985. The cubic root of 3197477842 is about 1473.2253431333.

The spelling of 3197477842 in words is "three billion, one hundred ninety-seven million, four hundred seventy-seven thousand, eight hundred forty-two".