88633316521 has 4 divisors (see below), whose sum is σ = 88700515200. Its totient is φ = 88566117844.

The previous prime is 88633316509. The next prime is 88633316549. The reversal of 88633316521 is 12561333688.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-88633316521 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (88633316561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33597361 + ... + 33599998.

It is an arithmetic number, because the mean of its divisors is an integer number (22175128800).

Almost surely, 2^88633316521 is an apocalyptic number.

It is an amenable number.

88633316521 is a deficient number, since it is larger than the sum of its proper divisors (67198679).

88633316521 is a wasteful number, since it uses less digits than its factorization.

88633316521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67198678.

The product of its digits is 622080, while the sum is 46.

The spelling of 88633316521 in words is "eighty-eight billion, six hundred thirty-three million, three hundred sixteen thousand, five hundred twenty-one".