7868632969 has 8 divisors (see below), whose sum is σ = 8018808840. Its totient is φ = 7718520576.

The previous prime is 7868632829. The next prime is 7868632979. The reversal of 7868632969 is 9692368687.

It can be written as a sum of positive squares in 4 ways, for example, as 996222969 + 6872410000 = 31563^2 + 82900^2 .

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-7868632969 is a prime.

It is a super-2 number, since 2×7868632969² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 7868632969.

It is not an unprimeable number, because it can be changed into a prime (7868632979) 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, 290017 + ... + 315985.

It is an arithmetic number, because the mean of its divisors is an integer number (1002351105).

Almost surely, 2^7868632969 is an apocalyptic number.

It is an amenable number.

7868632969 is a deficient number, since it is larger than the sum of its proper divisors (150175871).

7868632969 is a wasteful number, since it uses less digits than its factorization.

7868632969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31739.

The product of its digits is 47029248, while the sum is 64.

The square root of 7868632969 is about 88705.3153367937. The cubic root of 7868632969 is about 1988.9922735464.

The spelling of 7868632969 in words is "seven billion, eight hundred sixty-eight million, six hundred thirty-two thousand, nine hundred sixty-nine".