3199687057 has 8 divisors (see below), whose sum is σ = 3663354816. Its totient is φ = 2737661712.

The previous prime is 3199687033. The next prime is 3199687081. The reversal of 3199687057 is 7507869913.

It is an interprime number because it is at equal distance from previous prime (3199687033) and next prime (3199687081).

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3199687057 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3199686989 and 3199687007.

It is not an unprimeable number, because it can be changed into a prime (3199687097) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 406423 + ... + 414220.

It is an arithmetic number, because the mean of its divisors is an integer number (457919352).

Almost surely, 2^3199687057 is an apocalyptic number.

It is an amenable number.

3199687057 is a deficient number, since it is larger than the sum of its proper divisors (463667759).

3199687057 is an equidigital number, since it uses as much as digits as its factorization.

3199687057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 821207.

The product of its (nonzero) digits is 2857680, while the sum is 55.

The square root of 3199687057 is about 56565.7763758264. The cubic root of 3199687057 is about 1473.5645607289.

The spelling of 3199687057 in words is "three billion, one hundred ninety-nine million, six hundred eighty-seven thousand, fifty-seven".