73878812886 has 32 divisors (see below), whose sum is σ = 148444246368. Its totient is φ = 24511979520.

The previous prime is 73878812879. The next prime is 73878812911. The reversal of 73878812886 is 68821887837.

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 15 ways as a sum of consecutive naturals, for example, 2112156 + ... + 2146848.

It is an arithmetic number, because the mean of its divisors is an integer number (4638882699).

Almost surely, 2^73878812886 is an apocalyptic number.

73878812886 is an abundant number, since it is smaller than the sum of its proper divisors (74565433482).

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

73878812886 is a wasteful number, since it uses less digits than its factorization.

73878812886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36336.

The product of its digits is 57802752, while the sum is 66.

The spelling of 73878812886 in words is "seventy-three billion, eight hundred seventy-eight million, eight hundred twelve thousand, eight hundred eighty-six".