90625886 has 16 divisors (see below), whose sum is σ = 147849408. Its totient is φ = 41412000.

The previous prime is 90625883. The next prime is 90625903. The reversal of 90625886 is 68852609.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90625883) 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, 14630 + ... + 19881.

It is an arithmetic number, because the mean of its divisors is an integer number (9240588).

Almost surely, 2^90625886 is an apocalyptic number.

90625886 is a deficient number, since it is larger than the sum of its proper divisors (57223522).

90625886 is a wasteful number, since it uses less digits than its factorization.

90625886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34627.

The product of its (nonzero) digits is 207360, while the sum is 44.

The square root of 90625886 is about 9519.7629172160. The cubic root of 90625886 is about 449.1769085766.

The spelling of 90625886 in words is "ninety million, six hundred twenty-five thousand, eight hundred eighty-six".