1878056064 has 256 divisors, whose sum is σ = 6000048000. Its totient is φ = 576294912.

The previous prime is 1878056057. The next prime is 1878056077. The reversal of 1878056064 is 4606508781.

It is a happy number.

1878056064 is a `hidden beast` number, since 1 + 8 + 7 + 80 + 560 + 6 + 4 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2429182 + ... + 2429954.

Almost surely, 2^1878056064 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 1878056064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3000024000).

1878056064 is an abundant number, since it is smaller than the sum of its proper divisors (4121991936).

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

1878056064 is a wasteful number, since it uses less digits than its factorization.

1878056064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 852 (or 834 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 45.

The square root of 1878056064 is about 43336.5442092468. The cubic root of 1878056064 is about 1233.7756203510.

The spelling of 1878056064 in words is "one billion, eight hundred seventy-eight million, fifty-six thousand, sixty-four".