87478233 has 8 divisors (see below), whose sum is σ = 119119488. Its totient is φ = 57077904.

The previous prime is 87478231. The next prime is 87478241. The reversal of 87478233 is 33287478.

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

It is not a de Polignac number, because 87478233 - 2¹ = 87478231 is a prime.

It is not an unprimeable number, because it can be changed into a prime (87478231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 310066 + ... + 310347.

It is an arithmetic number, because the mean of its divisors is an integer number (14889936).

Almost surely, 2^87478233 is an apocalyptic number.

It is an amenable number.

87478233 is a deficient number, since it is larger than the sum of its proper divisors (31641255).

87478233 is a wasteful number, since it uses less digits than its factorization.

87478233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 620463.

The product of its digits is 225792, while the sum is 42.

The square root of 87478233 is about 9352.9798994759. The cubic root of 87478233 is about 443.9151844727.

The spelling of 87478233 in words is "eighty-seven million, four hundred seventy-eight thousand, two hundred thirty-three".