7982035021 has 8 divisors (see below), whose sum is σ = 8221901688. Its totient is φ = 7744320000.

The previous prime is 7982035001. The next prime is 7982035099. The reversal of 7982035021 is 1205302897.

It can be written as a sum of positive squares in 4 ways, for example, as 1024640100 + 6957394921 = 32010^2 + 83411^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7982035021 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7982035001) 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, 530380 + ... + 545221.

It is an arithmetic number, because the mean of its divisors is an integer number (1027737711).

Almost surely, 2^7982035021 is an apocalyptic number.

It is an amenable number.

7982035021 is a deficient number, since it is larger than the sum of its proper divisors (239866667).

7982035021 is a wasteful number, since it uses less digits than its factorization.

7982035021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1075823.

The product of its (nonzero) digits is 30240, while the sum is 37.

The square root of 7982035021 is about 89342.2353705122. The cubic root of 7982035021 is about 1998.5017963899.

The spelling of 7982035021 in words is "seven billion, nine hundred eighty-two million, thirty-five thousand, twenty-one".