7991803473 has 8 divisors (see below), whose sum is σ = 10711527936. Its totient is φ = 5299974000.

The previous prime is 7991803453. The next prime is 7991803481. The reversal of 7991803473 is 3743081997.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 7991803473 - 2¹⁶ = 7991737937 is a prime.

It is not an unprimeable number, because it can be changed into a prime (7991803403) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6973078 + ... + 6974223.

It is an arithmetic number, because the mean of its divisors is an integer number (1338940992).

Almost surely, 2^7991803473 is an apocalyptic number.

It is an amenable number.

7991803473 is a deficient number, since it is larger than the sum of its proper divisors (2719724463).

7991803473 is a wasteful number, since it uses less digits than its factorization.

7991803473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13947495.

The product of its (nonzero) digits is 1143072, while the sum is 51.

The square root of 7991803473 is about 89396.8873787002. The cubic root of 7991803473 is about 1999.3167226760.

The spelling of 7991803473 in words is "seven billion, nine hundred ninety-one million, eight hundred three thousand, four hundred seventy-three".