3506879947 has 2 divisors, whose sum is σ = 3506879948. Its totient is φ = 3506879946.

The previous prime is 3506879933. The next prime is 3506880001. The reversal of 3506879947 is 7499786053.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3506879947 is a prime.

It is a super-3 number, since 3×3506879947³ (a number of 30 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3506879891 and 3506879900.

It is not a weakly prime, because it can be changed into another prime (3506871947) 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 as a sum of consecutive naturals, namely, 1753439973 + 1753439974.

It is an arithmetic number, because the mean of its divisors is an integer number (1753439974).

Almost surely, 2^3506879947 is an apocalyptic number.

3506879947 is a deficient number, since it is larger than the sum of its proper divisors (1).

3506879947 is an equidigital number, since it uses as much as digits as its factorization.

3506879947 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11430720, while the sum is 58.

The square root of 3506879947 is about 59218.9154493731. The cubic root of 3506879947 is about 1519.2886715221.

The spelling of 3506879947 in words is "three billion, five hundred six million, eight hundred seventy-nine thousand, nine hundred forty-seven".