3889124979 has 4 divisors (see below), whose sum is σ = 5185499976. Its totient is φ = 2592749984.

The previous prime is 3889124971. The next prime is 3889124999. The reversal of 3889124979 is 9794219883.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3889124979 - 2³ = 3889124971 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3889124971) 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, 648187494 + ... + 648187499.

It is an arithmetic number, because the mean of its divisors is an integer number (1296374994).

Almost surely, 2^3889124979 is an apocalyptic number.

3889124979 is a deficient number, since it is larger than the sum of its proper divisors (1296374997).

3889124979 is a wasteful number, since it uses less digits than its factorization.

3889124979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1296374996.

The product of its digits is 7838208, while the sum is 60.

The square root of 3889124979 is about 62362.8493495927. The cubic root of 3889124979 is about 1572.5964823443.

The spelling of 3889124979 in words is "three billion, eight hundred eighty-nine million, one hundred twenty-four thousand, nine hundred seventy-nine".