3121764882 has 8 divisors (see below), whose sum is σ = 6243529776. Its totient is φ = 1040588292.

The previous prime is 3121764881. The next prime is 3121764889. The reversal of 3121764882 is 2884671213.

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

3121764882 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (3121764881) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 260147068 + ... + 260147079.

It is an arithmetic number, because the mean of its divisors is an integer number (780441222).

Almost surely, 2^3121764882 is an apocalyptic number.

3121764882 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3121764882 is a wasteful number, since it uses less digits than its factorization.

3121764882 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 520294152.

The product of its digits is 129024, while the sum is 42.

The square root of 3121764882 is about 55872.7561697112. The cubic root of 3121764882 is about 1461.5041859818.

The spelling of 3121764882 in words is "three billion, one hundred twenty-one million, seven hundred sixty-four thousand, eight hundred eighty-two".