7663761533 has 8 divisors (see below), whose sum is σ = 7912504320. Its totient is φ = 7417962720.

The previous prime is 7663761499. The next prime is 7663761563. The reversal of 7663761533 is 3351673667.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 7663761533 - 2¹⁰ = 7663760509 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7663761563) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 730703 + ... + 741116.

It is an arithmetic number, because the mean of its divisors is an integer number (989063040).

Almost surely, 2^7663761533 is an apocalyptic number.

It is an amenable number.

7663761533 is a deficient number, since it is larger than the sum of its proper divisors (248742787).

7663761533 is a wasteful number, since it uses less digits than its factorization.

7663761533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1471987.

The product of its digits is 1428840, while the sum is 47.

The square root of 7663761533 is about 87542.9125229450. The cubic root of 7663761533 is about 1971.5781399557.

The spelling of 7663761533 in words is "seven billion, six hundred sixty-three million, seven hundred sixty-one thousand, five hundred thirty-three".