3506879979 has 24 divisors (see below), whose sum is σ = 5090397312. Its totient is φ = 2326458240.

The previous prime is 3506879947. The next prime is 3506880001. The reversal of 3506879979 is 9799786053.

It is not a de Polignac number, because 3506879979 - 2⁵ = 3506879947 is a prime.

It is a super-2 number, since 2×3506879979² = 24596414374222080882, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3506879179) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2036839 + ... + 2038559.

It is an arithmetic number, because the mean of its divisors is an integer number (212099888).

Almost surely, 2^3506879979 is an apocalyptic number.

3506879979 is a deficient number, since it is larger than the sum of its proper divisors (1583517333).

3506879979 is a wasteful number, since it uses less digits than its factorization.

3506879979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2707 (or 2704 counting only the distinct ones).

The product of its (nonzero) digits is 25719120, while the sum is 63.

The square root of 3506879979 is about 59218.9157195570. The cubic root of 3506879979 is about 1519.2886761432.

The spelling of 3506879979 in words is "three billion, five hundred six million, eight hundred seventy-nine thousand, nine hundred seventy-nine".