89988079 has 2 divisors, whose sum is σ = 89988080. Its totient is φ = 89988078.

The previous prime is 89988061. The next prime is 89988083. The reversal of 89988079 is 97088998.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 89988079 - 2¹⁵ = 89955311 is a prime.

It is a super-2 number, since 2×89988079² = 16195708724220482, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (89983079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44994039 + 44994040.

It is an arithmetic number, because the mean of its divisors is an integer number (44994040).

Almost surely, 2^89988079 is an apocalyptic number.

89988079 is a deficient number, since it is larger than the sum of its proper divisors (1).

89988079 is an equidigital number, since it uses as much as digits as its factorization.

89988079 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2612736, while the sum is 58.

The square root of 89988079 is about 9486.2046678321. The cubic root of 89988079 is about 448.1206875502.

The spelling of 89988079 in words is "eighty-nine million, nine hundred eighty-eight thousand, seventy-nine".