878776405043045 has 8 divisors (see below), whose sum is σ = 1069384245010560. Its totient is φ = 693119418061840.

The previous prime is 878776405043027. The next prime is 878776405043051. The reversal of 878776405043045 is 540340504677878.

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

It is not a de Polignac number, because 878776405043045 - 2²⁶ = 878776337934181 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1237713246185 + ... + 1237713246894.

It is an arithmetic number, because the mean of its divisors is an integer number (133673030626320).

Almost surely, 2^{878776405043045} is an apocalyptic number.

It is an amenable number.

878776405043045 is a deficient number, since it is larger than the sum of its proper divisors (190607839967515).

878776405043045 is a wasteful number, since it uses less digits than its factorization.

878776405043045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2475426493155.

The product of its (nonzero) digits is 632217600, while the sum is 68.

The spelling of 878776405043045 in words is "eight hundred seventy-eight trillion, seven hundred seventy-six billion, four hundred five million, forty-three thousand, forty-five".