7898533963 has 4 divisors (see below), whose sum is σ = 8032407480. Its totient is φ = 7764660448.

The previous prime is 7898533933. The next prime is 7898533969. The reversal of 7898533963 is 3693358987.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7898533963 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7898533969) 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, 66936670 + ... + 66936787.

It is an arithmetic number, because the mean of its divisors is an integer number (2008101870).

Almost surely, 2^7898533963 is an apocalyptic number.

7898533963 is a deficient number, since it is larger than the sum of its proper divisors (133873517).

7898533963 is a wasteful number, since it uses less digits than its factorization.

7898533963 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133873516.

The product of its digits is 29393280, while the sum is 61.

The square root of 7898533963 is about 88873.6966880528. The cubic root of 7898533963 is about 1991.5084951128.

The spelling of 7898533963 in words is "seven billion, eight hundred ninety-eight million, five hundred thirty-three thousand, nine hundred sixty-three".