88887193 has 2 divisors, whose sum is σ = 88887194. Its totient is φ = 88887192.

The previous prime is 88887191. The next prime is 88887241. The reversal of 88887193 is 39178888.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 88887184 + 9 = 9428^2 + 3^2 .

It is a cyclic number.

It is not a de Polignac number, because 88887193 - 2¹ = 88887191 is a prime.

Together with 88887191, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 88887193.

It is not a weakly prime, because it can be changed into another prime (88887191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44443596 + 44443597.

It is an arithmetic number, because the mean of its divisors is an integer number (44443597).

Almost surely, 2^88887193 is an apocalyptic number.

It is an amenable number.

88887193 is a deficient number, since it is larger than the sum of its proper divisors (1).

88887193 is an equidigital number, since it uses as much as digits as its factorization.

88887193 is an evil number, because the sum of its binary digits is even.

The product of its digits is 774144, while the sum is 52.

The square root of 88887193 is about 9428.0004773016. Note that the first 3 decimals coincide. The cubic root of 88887193 is about 446.2857951603.

The spelling of 88887193 in words is "eighty-eight million, eight hundred eighty-seven thousand, one hundred ninety-three".