87482770 has 8 divisors (see below), whose sum is σ = 157469004. Its totient is φ = 34993104.

The previous prime is 87482767. The next prime is 87482779. The reversal of 87482770 is 7728478.

It can be written as a sum of positive squares in 2 ways, for example, as 86508601 + 974169 = 9301^2 + 987^2 .

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

It is not an unprimeable number, because it can be changed into a prime (87482779) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4374129 + ... + 4374148.

Almost surely, 2^87482770 is an apocalyptic number.

87482770 is a deficient number, since it is larger than the sum of its proper divisors (69986234).

87482770 is a wasteful number, since it uses less digits than its factorization.

87482770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8748284.

The product of its (nonzero) digits is 175616, while the sum is 43.

The square root of 87482770 is about 9353.2224393521. Note that the first 3 decimals coincide. The cubic root of 87482770 is about 443.9228587947.

The spelling of 87482770 in words is "eighty-seven million, four hundred eighty-two thousand, seven hundred seventy".