1933045878 has 16 divisors (see below), whose sum is σ = 3881497536. Its totient is φ = 641781000.

The previous prime is 1933045867. The next prime is 1933045903. The reversal of 1933045878 is 8785403391.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 640276 + ... + 643287.

It is an arithmetic number, because the mean of its divisors is an integer number (242593596).

Almost surely, 2^1933045878 is an apocalyptic number.

1933045878 is an abundant number, since it is smaller than the sum of its proper divisors (1948451658).

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

1933045878 is a wasteful number, since it uses less digits than its factorization.

1933045878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1283819.

The product of its (nonzero) digits is 725760, while the sum is 48.

The square root of 1933045878 is about 43966.4176161761. The cubic root of 1933045878 is about 1245.7016905435.

The spelling of 1933045878 in words is "one billion, nine hundred thirty-three million, forty-five thousand, eight hundred seventy-eight".