89473047 has 8 divisors (see below), whose sum is σ = 119347056. Its totient is φ = 59623872.

The previous prime is 89473039. The next prime is 89473051. The reversal of 89473047 is 74037498.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 89473047 - 2³ = 89473039 is a prime.

It is a super-2 number, since 2×89473047² = 16010852278928418, which contains 22 as substring.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89478047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5193 + ... + 14349.

It is an arithmetic number, because the mean of its divisors is an integer number (14918382).

Almost surely, 2^89473047 is an apocalyptic number.

89473047 is a deficient number, since it is larger than the sum of its proper divisors (29874009).

89473047 is a wasteful number, since it uses less digits than its factorization.

89473047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12417.

The product of its (nonzero) digits is 169344, while the sum is 42.

The square root of 89473047 is about 9459.0193466342. The cubic root of 89473047 is about 447.2641362880.

The spelling of 89473047 in words is "eighty-nine million, four hundred seventy-three thousand, forty-seven".