1878425984 has 64 divisors (see below), whose sum is σ = 3824755200. Its totient is φ = 918704640.

The previous prime is 1878425971. The next prime is 1878425987. The reversal of 1878425984 is 4895248781.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1878425987) 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, 1262489 + ... + 1263975.

It is an arithmetic number, because the mean of its divisors is an integer number (59761800).

Almost surely, 2^1878425984 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 1878425984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1912377600).

1878425984 is an abundant number, since it is smaller than the sum of its proper divisors (1946329216).

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

1878425984 is a wasteful number, since it uses less digits than its factorization.

1878425984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1711 (or 1699 counting only the distinct ones).

The product of its digits is 5160960, while the sum is 56.

The square root of 1878425984 is about 43340.8119905477. The cubic root of 1878425984 is about 1233.8566204738.

The spelling of 1878425984 in words is "one billion, eight hundred seventy-eight million, four hundred twenty-five thousand, nine hundred eighty-four".