88089473 has 4 divisors (see below), whose sum is σ = 88961748. Its totient is φ = 87217200.

The previous prime is 88089451. The next prime is 88089479. The reversal of 88089473 is 37498088.

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

It can be written as a sum of positive squares in 2 ways, for example, as 72471169 + 15618304 = 8513^2 + 3952^2 .

It is a cyclic number.

It is not a de Polignac number, because 88089473 - 2²⁴ = 71312257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (88089479) 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, 435986 + ... + 436187.

It is an arithmetic number, because the mean of its divisors is an integer number (22240437).

Almost surely, 2^88089473 is an apocalyptic number.

It is an amenable number.

88089473 is a deficient number, since it is larger than the sum of its proper divisors (872275).

88089473 is a wasteful number, since it uses less digits than its factorization.

88089473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 872274.

The product of its (nonzero) digits is 387072, while the sum is 47.

The square root of 88089473 is about 9385.5992349983. The cubic root of 88089473 is about 444.9467141515.

It can be divided in two parts, 8808 and 9473, that added together give a palindrome (18281).

The spelling of 88089473 in words is "eighty-eight million, eighty-nine thousand, four hundred seventy-three".