878092866987 has 16 divisors (see below), whose sum is σ = 1338175971840. Its totient is φ = 501718715712.

The previous prime is 878092866983. The next prime is 878092867009. The reversal of 878092866987 is 789668290878.

It is not a de Polignac number, because 878092866987 - 2² = 878092866983 is a prime.

It is not an unprimeable number, because it can be changed into a prime (878092866983) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1804162 + ... + 2238567.

It is an arithmetic number, because the mean of its divisors is an integer number (83635998240).

Almost surely, 2^878092866987 is an apocalyptic number.

878092866987 is a deficient number, since it is larger than the sum of its proper divisors (460083104853).

878092866987 is a wasteful number, since it uses less digits than its factorization.

878092866987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4053082.

The product of its (nonzero) digits is 1170505728, while the sum is 78.

The spelling of 878092866987 in words is "eight hundred seventy-eight billion, ninety-two million, eight hundred sixty-six thousand, nine hundred eighty-seven".