89819019 has 12 divisors (see below), whose sum is σ = 129870000. Its totient is φ = 59818704.

The previous prime is 89818969. The next prime is 89819029. The reversal of 89819019 is 91091898.

It is not a de Polignac number, because 89819019 - 2⁷ = 89818891 is a prime.

It is a super-2 number, since 2×89819019² = 16134912348244722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (89819029) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5482 + ... + 14480.

It is an arithmetic number, because the mean of its divisors is an integer number (10822500).

Almost surely, 2^89819019 is an apocalyptic number.

89819019 is a deficient number, since it is larger than the sum of its proper divisors (40050981).

89819019 is a wasteful number, since it uses less digits than its factorization.

89819019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10114 (or 10111 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 45.

The square root of 89819019 is about 9477.2896441968. The cubic root of 89819019 is about 447.8398845199.

The spelling of 89819019 in words is "eighty-nine million, eight hundred nineteen thousand, nineteen".