89519799 has 4 divisors (see below), whose sum is σ = 119359736. Its totient is φ = 59679864.

The previous prime is 89519797. The next prime is 89519821. The reversal of 89519799 is 99791598.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 89519799 - 2¹ = 89519797 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89519797) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14919964 + ... + 14919969.

It is an arithmetic number, because the mean of its divisors is an integer number (29839934).

Almost surely, 2^89519799 is an apocalyptic number.

89519799 is a deficient number, since it is larger than the sum of its proper divisors (29839937).

89519799 is a wasteful number, since it uses less digits than its factorization.

89519799 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29839936.

The product of its digits is 1837080, while the sum is 57.

The square root of 89519799 is about 9461.4903160126. The cubic root of 89519799 is about 447.3420251144.

The spelling of 89519799 in words is "eighty-nine million, five hundred nineteen thousand, seven hundred ninety-nine".