89801519 has 2 divisors, whose sum is σ = 89801520. Its totient is φ = 89801518.

The previous prime is 89801489. The next prime is 89801527. The reversal of 89801519 is 91510898.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 89801519 - 2⁸ = 89801263 is a prime.

It is a super-2 number, since 2×89801519² = 16128625629414722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (89801119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44900759 + 44900760.

It is an arithmetic number, because the mean of its divisors is an integer number (44900760).

Almost surely, 2^89801519 is an apocalyptic number.

89801519 is a deficient number, since it is larger than the sum of its proper divisors (1).

89801519 is an equidigital number, since it uses as much as digits as its factorization.

89801519 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25920, while the sum is 41.

The square root of 89801519 is about 9476.3663394784. The cubic root of 89801519 is about 447.8107974842.

The spelling of 89801519 in words is "eighty-nine million, eight hundred one thousand, five hundred nineteen".