87071258 has 8 divisors (see below), whose sum is σ = 131439252. Its totient is φ = 43258176.

The previous prime is 87071251. The next prime is 87071269. The reversal of 87071258 is 85217078.

It can be written as a sum of positive squares in 2 ways, for example, as 83411689 + 3659569 = 9133^2 + 1913^2 .

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 (87071251) 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 3 ways as a sum of consecutive naturals, for example, 138335 + ... + 138962.

Almost surely, 2^87071258 is an apocalyptic number.

87071258 is a deficient number, since it is larger than the sum of its proper divisors (44367994).

87071258 is a wasteful number, since it uses less digits than its factorization.

87071258 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277456.

The product of its (nonzero) digits is 31360, while the sum is 38.

The square root of 87071258 is about 9331.1981009943. The cubic root of 87071258 is about 443.2257052443.

The spelling of 87071258 in words is "eighty-seven million, seventy-one thousand, two hundred fifty-eight".