90876970 has 16 divisors (see below), whose sum is σ = 165820680. Its totient is φ = 35852544.

The previous prime is 90876967. The next prime is 90876971. The reversal of 90876970 is 7967809.

It can be written as a sum of positive squares in 4 ways, for example, as 56055169 + 34821801 = 7487^2 + 5901^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 90876970.

It is not an unprimeable number, because it can be changed into a prime (90876971) 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 7 ways as a sum of consecutive naturals, for example, 61515 + ... + 62974.

Almost surely, 2^90876970 is an apocalyptic number.

90876970 is a deficient number, since it is larger than the sum of its proper divisors (74943710).

90876970 is a wasteful number, since it uses less digits than its factorization.

90876970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124569.

The product of its (nonzero) digits is 190512, while the sum is 46.

The square root of 90876970 is about 9532.9413089560. The cubic root of 90876970 is about 449.5913491758.

The spelling of 90876970 in words is "ninety million, eight hundred seventy-six thousand, nine hundred seventy".