3408687979 has 4 divisors (see below), whose sum is σ = 3440544984. Its totient is φ = 3376830976.

The previous prime is 3408687973. The next prime is 3408688009. The reversal of 3408687979 is 9797868043.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9797868043 = 17 ⋅576345179.

It is not a de Polignac number, because 3408687979 - 2¹⁹ = 3408163691 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3408687973) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15928342 + ... + 15928555.

It is an arithmetic number, because the mean of its divisors is an integer number (860136246).

Almost surely, 2^3408687979 is an apocalyptic number.

3408687979 is a deficient number, since it is larger than the sum of its proper divisors (31857005).

3408687979 is a wasteful number, since it uses less digits than its factorization.

3408687979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31857004.

The product of its (nonzero) digits is 18289152, while the sum is 61.

The square root of 3408687979 is about 58383.9702229987. The cubic root of 3408687979 is about 1504.9742977108.

The spelling of 3408687979 in words is "three billion, four hundred eight million, six hundred eighty-seven thousand, nine hundred seventy-nine".