88089433 has 2 divisors, whose sum is σ = 88089434. Its totient is φ = 88089432.

The previous prime is 88089431. The next prime is 88089437. The reversal of 88089433 is 33498088.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 69839449 + 18249984 = 8357^2 + 4272^2 .

It is a cyclic number.

It is not a de Polignac number, because 88089433 - 2¹ = 88089431 is a prime.

It is a super-2 number, since 2×88089433² = 15519496412522978, which contains 22 as substring.

Together with 88089431, 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 88089433.

It is not a weakly prime, because it can be changed into another prime (88089431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44044716 + 44044717.

It is an arithmetic number, because the mean of its divisors is an integer number (44044717).

Almost surely, 2^88089433 is an apocalyptic number.

It is an amenable number.

88089433 is a deficient number, since it is larger than the sum of its proper divisors (1).

88089433 is an equidigital number, since it uses as much as digits as its factorization.

88089433 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 165888, while the sum is 43.

The square root of 88089433 is about 9385.5971040739. The cubic root of 88089433 is about 444.9466468038.

The spelling of 88089433 in words is "eighty-eight million, eighty-nine thousand, four hundred thirty-three".