1878949760 has 64 divisors (see below), whose sum is σ = 4527429120. Its totient is φ = 745629696.

The previous prime is 1878949753. The next prime is 1878949771. The reversal of 1878949760 is 679498781.

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

It is a self number, because there is not a number n which added to its sum of digits gives 1878949760.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69722 + ... + 92838.

It is an arithmetic number, because the mean of its divisors is an integer number (70741080).

Almost surely, 2^1878949760 is an apocalyptic number.

1878949760 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1878949760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2263714560).

1878949760 is an abundant number, since it is smaller than the sum of its proper divisors (2648479360).

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

1878949760 is a wasteful number, since it uses less digits than its factorization.

1878949760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23263 (or 23251 counting only the distinct ones).

The product of its (nonzero) digits is 6096384, while the sum is 59.

The square root of 1878949760 is about 43346.8540957703. The cubic root of 1878949760 is about 1233.9712917344.

The spelling of 1878949760 in words is "one billion, eight hundred seventy-eight million, nine hundred forty-nine thousand, seven hundred sixty".