89616819 has 4 divisors (see below), whose sum is σ = 119489096. Its totient is φ = 59744544.

The previous prime is 89616803. The next prime is 89616841. The reversal of 89616819 is 91861698.

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

It is not a de Polignac number, because 89616819 - 2⁴ = 89616803 is a prime.

It is a super-2 number, since 2×89616819² = 16062348495357522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (89616619) 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, 14936134 + ... + 14936139.

It is an arithmetic number, because the mean of its divisors is an integer number (29872274).

Almost surely, 2^89616819 is an apocalyptic number.

89616819 is a deficient number, since it is larger than the sum of its proper divisors (29872277).

89616819 is a wasteful number, since it uses less digits than its factorization.

89616819 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29872276.

The product of its digits is 186624, while the sum is 48.

The square root of 89616819 is about 9466.6160268599. The cubic root of 89616819 is about 447.5035739340.

The spelling of 89616819 in words is "eighty-nine million, six hundred sixteen thousand, eight hundred nineteen".