650567878856 has 32 divisors (see below), whose sum is σ = 1394459245440. Its totient is φ = 278737761408.

The previous prime is 650567878843. The next prime is 650567878931. The reversal of 650567878856 is 658878765056.

It is a self number, because there is not a number n which added to its sum of digits gives 650567878856.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1400381 + ... + 1806156.

It is an arithmetic number, because the mean of its divisors is an integer number (43576851420).

Almost surely, 2^650567878856 is an apocalyptic number.

It is an amenable number.

650567878856 is an abundant number, since it is smaller than the sum of its proper divisors (743891366584).

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

650567878856 is a wasteful number, since it uses less digits than its factorization.

650567878856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3210173 (or 3210169 counting only the distinct ones).

The product of its (nonzero) digits is 677376000, while the sum is 71.

The spelling of 650567878856 in words is "six hundred fifty billion, five hundred sixty-seven million, eight hundred seventy-eight thousand, eight hundred fifty-six".