7663423487 has 4 divisors (see below), whose sum is σ = 7665173136. Its totient is φ = 7661673840.

The previous prime is 7663423457. The next prime is 7663423511. The reversal of 7663423487 is 7843243667.

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-7663423487 is a prime.

It is a super-2 number, since 2×7663423487² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7663423457) 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, 868238 + ... + 877019.

It is an arithmetic number, because the mean of its divisors is an integer number (1916293284).

Almost surely, 2^7663423487 is an apocalyptic number.

7663423487 is a deficient number, since it is larger than the sum of its proper divisors (1749649).

7663423487 is a wasteful number, since it uses less digits than its factorization.

7663423487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1749648.

The product of its digits is 4064256, while the sum is 50.

The square root of 7663423487 is about 87540.9817571176. The cubic root of 7663423487 is about 1971.5491509751.

The spelling of 7663423487 in words is "seven billion, six hundred sixty-three million, four hundred twenty-three thousand, four hundred eighty-seven".