7983455873 has 4 divisors (see below), whose sum is σ = 7983638100. Its totient is φ = 7983273648.

The previous prime is 7983455869. The next prime is 7983455897. The reversal of 7983455873 is 3785543897.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5407690369 + 2575765504 = 73537^2 + 50752^2 .

It is a cyclic number.

It is not a de Polignac number, because 7983455873 - 2² = 7983455869 is a prime.

It is a super-2 number, since 2×7983455873² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7983455813) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18803 + ... + 127751.

It is an arithmetic number, because the mean of its divisors is an integer number (1995909525).

Almost surely, 2^7983455873 is an apocalyptic number.

It is an amenable number.

7983455873 is a deficient number, since it is larger than the sum of its proper divisors (182227).

7983455873 is a wasteful number, since it uses less digits than its factorization.

7983455873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182226.

The product of its digits is 25401600, while the sum is 59.

The square root of 7983455873 is about 89350.1867541417. The cubic root of 7983455873 is about 1998.6203712811.

The spelling of 7983455873 in words is "seven billion, nine hundred eighty-three million, four hundred fifty-five thousand, eight hundred seventy-three".