89715419 has 2 divisors, whose sum is σ = 89715420. Its totient is φ = 89715418.

The previous prime is 89715413. The next prime is 89715427. The reversal of 89715419 is 91451798.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 89715419 - 2²⁰ = 88666843 is a prime.

It is a super-2 number, since 2×89715419² = 16097712812691122, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 89715419.

It is not a weakly prime, because it can be changed into another prime (89715413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44857709 + 44857710.

It is an arithmetic number, because the mean of its divisors is an integer number (44857710).

Almost surely, 2^89715419 is an apocalyptic number.

89715419 is a deficient number, since it is larger than the sum of its proper divisors (1).

89715419 is an equidigital number, since it uses as much as digits as its factorization.

89715419 is an evil number, because the sum of its binary digits is even.

The product of its digits is 90720, while the sum is 44.

The square root of 89715419 is about 9471.8223695338. The cubic root of 89715419 is about 447.6676342093.

The spelling of 89715419 in words is "eighty-nine million, seven hundred fifteen thousand, four hundred nineteen".