7873661910 has 16 divisors (see below), whose sum is σ = 18896788656. Its totient is φ = 2099643168.

The previous prime is 7873661903. The next prime is 7873661933. The reversal of 7873661910 is 191663787.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 7873661910.

It is a congruent number.

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, 131227669 + ... + 131227728.

It is an arithmetic number, because the mean of its divisors is an integer number (1181049291).

Almost surely, 2^7873661910 is an apocalyptic number.

7873661910 is an abundant number, since it is smaller than the sum of its proper divisors (11023126746).

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

7873661910 is a wasteful number, since it uses less digits than its factorization.

7873661910 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 262455407.

The product of its (nonzero) digits is 381024, while the sum is 48.

The square root of 7873661910 is about 88733.6571431607. The cubic root of 7873661910 is about 1989.4159131916.

The spelling of 7873661910 in words is "seven billion, eight hundred seventy-three million, six hundred sixty-one thousand, nine hundred ten".