90066862 has 4 divisors (see below), whose sum is σ = 135100296. Its totient is φ = 45033430.

The previous prime is 90066841. The next prime is 90066877. The reversal of 90066862 is 26866009.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 26866009 = 257 ⋅104537.

It is a super-2 number, since 2×90066862² = 16224079261054088, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 22516714 + ... + 22516717.

It is an arithmetic number, because the mean of its divisors is an integer number (33775074).

Almost surely, 2^90066862 is an apocalyptic number.

90066862 is a deficient number, since it is larger than the sum of its proper divisors (45033434).

90066862 is a wasteful number, since it uses less digits than its factorization.

90066862 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45033433.

The product of its (nonzero) digits is 31104, while the sum is 37.

The square root of 90066862 is about 9490.3562630704. The cubic root of 90066862 is about 448.2514233646.

The spelling of 90066862 in words is "ninety million, sixty-six thousand, eight hundred sixty-two".