89678419 has 4 divisors (see below), whose sum is σ = 90333144. Its totient is φ = 89023696.

The previous prime is 89678401. The next prime is 89678453. The reversal of 89678419 is 91487698.

It is a happy number.

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

It is not a de Polignac number, because 89678419 - 2⁷ = 89678291 is a prime.

It is a super-2 number, since 2×89678419² = 16084437668679122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (89678489) 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, 327157 + ... + 327430.

It is an arithmetic number, because the mean of its divisors is an integer number (22583286).

Almost surely, 2^89678419 is an apocalyptic number.

89678419 is a deficient number, since it is larger than the sum of its proper divisors (654725).

89678419 is a wasteful number, since it uses less digits than its factorization.

89678419 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 654724.

The product of its digits is 870912, while the sum is 52.

The square root of 89678419 is about 9469.8690064858. The cubic root of 89678419 is about 447.6060841056.

The spelling of 89678419 in words is "eighty-nine million, six hundred seventy-eight thousand, four hundred nineteen".