88289287 has 2 divisors, whose sum is σ = 88289288. Its totient is φ = 88289286.

The previous prime is 88289263. The next prime is 88289309. The reversal of 88289287 is 78298288.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-88289287 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (88289087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44144643 + 44144644.

It is an arithmetic number, because the mean of its divisors is an integer number (44144644).

Almost surely, 2^88289287 is an apocalyptic number.

88289287 is a deficient number, since it is larger than the sum of its proper divisors (1).

88289287 is an equidigital number, since it uses as much as digits as its factorization.

88289287 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1032192, while the sum is 52.

The square root of 88289287 is about 9396.2379173795. The cubic root of 88289287 is about 445.2828854019.

Subtracting from 88289287 its reverse (78298288), we obtain a palindrome (9990999).

The spelling of 88289287 in words is "eighty-eight million, two hundred eighty-nine thousand, two hundred eighty-seven".