7962816663 has 12 divisors (see below), whose sum is σ = 11509792008. Its totient is φ = 5304877200.

The previous prime is 7962816623. The next prime is 7962816691. The reversal of 7962816663 is 3666182697.

It is not a de Polignac number, because 7962816663 - 2¹⁰ = 7962815639 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7962816623) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 291820 + ... + 317937.

It is an arithmetic number, because the mean of its divisors is an integer number (959149334).

Almost surely, 2^7962816663 is an apocalyptic number.

7962816663 is a deficient number, since it is larger than the sum of its proper divisors (3546975345).

7962816663 is a wasteful number, since it uses less digits than its factorization.

7962816663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 611214 (or 611211 counting only the distinct ones).

The product of its digits is 3919104, while the sum is 54.

The square root of 7962816663 is about 89234.6158337671. The cubic root of 7962816663 is about 1996.8965754522.

The spelling of 7962816663 in words is "seven billion, nine hundred sixty-two million, eight hundred sixteen thousand, six hundred sixty-three".