878770684004555 has 8 divisors (see below), whose sum is σ = 1054532915944800. Its totient is φ = 703011150444096.

The previous prime is 878770684004539. The next prime is 878770684004557. The reversal of 878770684004555 is 555400486077878.

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

It is a cyclic number.

It is not a de Polignac number, because 878770684004555 - 2⁴ = 878770684004539 is a prime.

It is not an unprimeable number, because it can be changed into a prime (878770684004557) by changing a digit.

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, 673878410 + ... + 675181199.

It is an arithmetic number, because the mean of its divisors is an integer number (131816614493100).

Almost surely, 2^{878770684004555} is an apocalyptic number.

878770684004555 is a deficient number, since it is larger than the sum of its proper divisors (175762231940245).

878770684004555 is a wasteful number, since it uses less digits than its factorization.

878770684004555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1349189893.

The product of its (nonzero) digits is 2107392000, while the sum is 74.

The spelling of 878770684004555 in words is "eight hundred seventy-eight trillion, seven hundred seventy billion, six hundred eighty-four million, four thousand, five hundred fifty-five".