8120433503 has 64 divisors (see below), whose sum is σ = 11182510080. Its totient is φ = 5706547200.

The previous prime is 8120433449. The next prime is 8120433527. The reversal of 8120433503 is 3053340218.

It is a cyclic number.

It is not a de Polignac number, because 8120433503 - 2¹⁸ = 8120171359 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8120433103) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 12668063 + ... + 12668703.

It is an arithmetic number, because the mean of its divisors is an integer number (174726720).

Almost surely, 2^8120433503 is an apocalyptic number.

8120433503 is a deficient number, since it is larger than the sum of its proper divisors (3062076577).

8120433503 is a wasteful number, since it uses less digits than its factorization.

8120433503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1128.

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 8120433503 is about 90113.4479586704. The cubic root of 8120433503 is about 2009.9861803626.

The spelling of 8120433503 in words is "eight billion, one hundred twenty million, four hundred thirty-three thousand, five hundred three".