88516643 has 4 divisors (see below), whose sum is σ = 88536048. Its totient is φ = 88497240.

The previous prime is 88516639. The next prime is 88516657. The reversal of 88516643 is 34661588.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 88516643 - 2² = 88516639 is a prime.

It is a Duffinian number.

It is a plaindrome in base 12.

It is a self number, because there is not a number n which added to its sum of digits gives 88516643.

It is not an unprimeable number, because it can be changed into a prime (88516693) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1298 + ... + 13368.

It is an arithmetic number, because the mean of its divisors is an integer number (22134012).

Almost surely, 2^88516643 is an apocalyptic number.

88516643 is a deficient number, since it is larger than the sum of its proper divisors (19405).

88516643 is a wasteful number, since it uses less digits than its factorization.

88516643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19404.

The product of its digits is 138240, while the sum is 41.

The square root of 88516643 is about 9408.3283850002. The cubic root of 88516643 is about 445.6647775630.

The spelling of 88516643 in words is "eighty-eight million, five hundred sixteen thousand, six hundred forty-three".