7954202002 has 4 divisors (see below), whose sum is σ = 11931303006. Its totient is φ = 3977101000.

The previous prime is 7954201973. The next prime is 7954202017. The reversal of 7954202002 is 2002024597.

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., 6860643241 + 1093558761 = 82829^2 + 33069^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1988550499 + ... + 1988550502.

Almost surely, 2^7954202002 is an apocalyptic number.

7954202002 is a deficient number, since it is larger than the sum of its proper divisors (3977101004).

7954202002 is a wasteful number, since it uses less digits than its factorization.

7954202002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3977101003.

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 7954202002 is about 89186.3330449234. Note that the first 3 decimals coincide. The cubic root of 7954202002 is about 1996.1761940800.

Adding to 7954202002 its reverse (2002024597), we get a palindrome (9956226599).

The spelling of 7954202002 in words is "seven billion, nine hundred fifty-four million, two hundred two thousand, two".