7991602082 has 4 divisors (see below), whose sum is σ = 11987403126. Its totient is φ = 3995801040.

The previous prime is 7991602049. The next prime is 7991602111. The reversal of 7991602082 is 2802061997.

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 only one way, i.e., 5532533161 + 2459068921 = 74381^2 + 49589^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1997900519 + ... + 1997900522.

Almost surely, 2^7991602082 is an apocalyptic number.

7991602082 is a deficient number, since it is larger than the sum of its proper divisors (3995801044).

7991602082 is a wasteful number, since it uses less digits than its factorization.

7991602082 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3995801043.

The product of its (nonzero) digits is 108864, while the sum is 44.

The square root of 7991602082 is about 89395.7609845120. The cubic root of 7991602082 is about 1999.2999284785.

The spelling of 7991602082 in words is "seven billion, nine hundred ninety-one million, six hundred two thousand, eighty-two".