878808807782432 has 12 divisors (see below), whose sum is σ = 1730154840321726. Its totient is φ = 439404403891200.

The previous prime is 878808807782393. The next prime is 878808807782447. The reversal of 878808807782432 is 234287708808878.

It can be written as a sum of positive squares in only one way, i.e., 872871807715216 + 5937000067216 = 29544404^2 + 2436596^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13731387621569 + ... + 13731387621632.

Almost surely, 2^{878808807782432} is an apocalyptic number.

It is an amenable number.

878808807782432 is a deficient number, since it is larger than the sum of its proper divisors (851346032539294).

878808807782432 is a wasteful number, since it uses less digits than its factorization.

878808807782432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27462775243211 (or 27462775243203 counting only the distinct ones).

The product of its (nonzero) digits is 4315938816, while the sum is 80.

The spelling of 878808807782432 in words is "eight hundred seventy-eight trillion, eight hundred eight billion, eight hundred seven million, seven hundred eighty-two thousand, four hundred thirty-two".