878808807767046 has 32 divisors (see below), whose sum is σ = 1992441021661440. Its totient is φ = 256170988498464.

The previous prime is 878808807767039. The next prime is 878808807767047. The reversal of 878808807767046 is 640767708808878.

It is a super-2 number, since 2×878808807767046² (a number of 31 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 878808807767046.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (878808807767047) 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 15 ways as a sum of consecutive naturals, for example, 296494198170 + ... + 296494201133.

It is an arithmetic number, because the mean of its divisors is an integer number (62263781926920).

Almost surely, 2^{878808807767046} is an apocalyptic number.

878808807767046 is an abundant number, since it is smaller than the sum of its proper divisors (1113632213894394).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

878808807767046 is a wasteful number, since it uses less digits than its factorization.

878808807767046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 592988399340.

The product of its (nonzero) digits is 11329339392, while the sum is 84.

The spelling of 878808807767046 in words is "eight hundred seventy-eight trillion, eight hundred eight billion, eight hundred seven million, seven hundred sixty-seven thousand, forty-six".