3193157897 has 16 divisors (see below), whose sum is σ = 3354224640. Its totient is φ = 3035636352.

The previous prime is 3193157887. The next prime is 3193157927. The reversal of 3193157897 is 7987513913.

It is a cyclic number.

It is not a de Polignac number, because 3193157897 - 2⁸ = 3193157641 is a prime.

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3193157857) 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 15 ways as a sum of consecutive naturals, for example, 1919288 + ... + 1920950.

It is an arithmetic number, because the mean of its divisors is an integer number (209639040).

Almost surely, 2^3193157897 is an apocalyptic number.

It is an amenable number.

3193157897 is a deficient number, since it is larger than the sum of its proper divisors (161066743).

3193157897 is a wasteful number, since it uses less digits than its factorization.

3193157897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2672.

The product of its digits is 1428840, while the sum is 53.

The square root of 3193157897 is about 56508.0339155416. The cubic root of 3193157897 is about 1472.5615782266.

The spelling of 3193157897 in words is "three billion, one hundred ninety-three million, one hundred fifty-seven thousand, eight hundred ninety-seven".