88389887 has 2 divisors, whose sum is σ = 88389888. Its totient is φ = 88389886.

The previous prime is 88389877. The next prime is 88389893. The reversal of 88389887 is 78898388.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 88389887 - 2²⁰ = 87341311 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (88389827) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44194943 + 44194944.

It is an arithmetic number, because the mean of its divisors is an integer number (44194944).

Almost surely, 2^88389887 is an apocalyptic number.

88389887 is a deficient number, since it is larger than the sum of its proper divisors (1).

88389887 is an equidigital number, since it uses as much as digits as its factorization.

88389887 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6193152, while the sum is 59.

The square root of 88389887 is about 9401.5895996369. The cubic root of 88389887 is about 445.4519450039.

The spelling of 88389887 in words is "eighty-eight million, three hundred eighty-nine thousand, eight hundred eighty-seven".