3128416987 has 8 divisors (see below), whose sum is σ = 3230124032. Its totient is φ = 3026759400.

The previous prime is 3128416939. The next prime is 3128417093. The reversal of 3128416987 is 7896148213.

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

It is not a de Polignac number, because 3128416987 - 2¹⁹ = 3127892699 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3128416987.

It is not an unprimeable number, because it can be changed into a prime (3128416087) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 150412 + ... + 169942.

It is an arithmetic number, because the mean of its divisors is an integer number (403765504).

Almost surely, 2^3128416987 is an apocalyptic number.

3128416987 is a deficient number, since it is larger than the sum of its proper divisors (101707045).

3128416987 is a wasteful number, since it uses less digits than its factorization.

3128416987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24729.

The product of its digits is 580608, while the sum is 49.

The square root of 3128416987 is about 55932.2535483776. The cubic root of 3128416987 is about 1462.5415459696.

The spelling of 3128416987 in words is "three billion, one hundred twenty-eight million, four hundred sixteen thousand, nine hundred eighty-seven".