1872823464 has 128 divisors (see below), whose sum is σ = 5566608000. Its totient is φ = 581644800.

The previous prime is 1872823457. The next prime is 1872823493. The reversal of 1872823464 is 4643282781.

It is a happy number.

1872823464 is a `hidden beast` number, since 187 + 2 + 8 + 2 + 3 + 464 = 666.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 246604 + ... + 254084.

It is an arithmetic number, because the mean of its divisors is an integer number (43489125).

Almost surely, 2^1872823464 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1872823464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2783304000).

1872823464 is an abundant number, since it is smaller than the sum of its proper divisors (3693784536).

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

1872823464 is a wasteful number, since it uses less digits than its factorization.

1872823464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7576 (or 7566 counting only the distinct ones).

The product of its digits is 516096, while the sum is 45.

The square root of 1872823464 is about 43276.1304185113. The cubic root of 1872823464 is about 1232.6287147013.

The spelling of 1872823464 in words is "one billion, eight hundred seventy-two million, eight hundred twenty-three thousand, four hundred sixty-four".