7873676789 has 6 divisors (see below), whose sum is σ = 8654537430. Its totient is φ = 7157887880.

The previous prime is 7873676771. The next prime is 7873676801. The reversal of 7873676789 is 9876763787.

It can be written as a sum of positive squares in only one way, i.e., 7846947889 + 26728900 = 88583^2 + 5170^2 .

It is not a de Polignac number, because 7873676789 - 2⁸ = 7873676533 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7873676189) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 32535734 + ... + 32535975.

It is an arithmetic number, because the mean of its divisors is an integer number (1442422905).

Almost surely, 2^7873676789 is an apocalyptic number.

It is an amenable number.

7873676789 is a deficient number, since it is larger than the sum of its proper divisors (780860641).

7873676789 is a wasteful number, since it uses less digits than its factorization.

7873676789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65071731 (or 65071720 counting only the distinct ones).

The product of its digits is 149361408, while the sum is 68.

The square root of 7873676789 is about 88733.7409839121. The cubic root of 7873676789 is about 1989.4171663357.

The spelling of 7873676789 in words is "seven billion, eight hundred seventy-three million, six hundred seventy-six thousand, seven hundred eighty-nine".