90871082 has 8 divisors (see below), whose sum is σ = 136362852. Its totient is φ = 45416800.

The previous prime is 90871073. The next prime is 90871087. The reversal of 90871082 is 28017809.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 83192641 + 7678441 = 9121^2 + 2771^2 .

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 (90871087) 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, 2219 + ... + 13662.

Almost surely, 2^90871082 is an apocalyptic number.

90871082 is a deficient number, since it is larger than the sum of its proper divisors (45491770).

90871082 is a wasteful number, since it uses less digits than its factorization.

90871082 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18744.

The product of its (nonzero) digits is 8064, while the sum is 35.

The square root of 90871082 is about 9532.6324800655. The cubic root of 90871082 is about 449.5816391579.

The spelling of 90871082 in words is "ninety million, eight hundred seventy-one thousand, eighty-two".