83117753406878 has 8 divisors (see below), whose sum is σ = 131238558010920. Its totient is φ = 39371567403240.

The previous prime is 83117753406871. The next prime is 83117753406917. The reversal of 83117753406878 is 87860435771138.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83117753406871) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1093654650053 + ... + 1093654650128.

It is an arithmetic number, because the mean of its divisors is an integer number (16404819751365).

Almost surely, 2^{83117753406878} is an apocalyptic number.

83117753406878 is a deficient number, since it is larger than the sum of its proper divisors (48120804604042).

83117753406878 is a wasteful number, since it uses less digits than its factorization.

83117753406878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2187309300202.

The product of its (nonzero) digits is 189665280, while the sum is 68.

The spelling of 83117753406878 in words is "eighty-three trillion, one hundred seventeen billion, seven hundred fifty-three million, four hundred six thousand, eight hundred seventy-eight".