53782782878 has 16 divisors (see below), whose sum is σ = 88011847296. Its totient is φ = 24445703640.

The previous prime is 53782782847. The next prime is 53782782883. The reversal of 53782782878 is 87828728735.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 830375 + ... + 892797.

It is an arithmetic number, because the mean of its divisors is an integer number (5500740456).

Almost surely, 2^53782782878 is an apocalyptic number.

53782782878 is a deficient number, since it is larger than the sum of its proper divisors (34229064418).

53782782878 is a wasteful number, since it uses less digits than its factorization.

53782782878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101599.

The product of its digits is 84295680, while the sum is 65.

The spelling of 53782782878 in words is "fifty-three billion, seven hundred eighty-two million, seven hundred eighty-two thousand, eight hundred seventy-eight".