889291066 has 16 divisors (see below), whose sum is σ = 1367448768. Its totient is φ = 433490400.

The previous prime is 889291033. The next prime is 889291069. The reversal of 889291066 is 660192988.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (889291069) 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 7 ways as a sum of consecutive naturals, for example, 147181 + ... + 153103.

It is an arithmetic number, because the mean of its divisors is an integer number (85465548).

Almost surely, 2^889291066 is an apocalyptic number.

889291066 is a deficient number, since it is larger than the sum of its proper divisors (478157702).

889291066 is a wasteful number, since it uses less digits than its factorization.

889291066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7797.

The product of its (nonzero) digits is 373248, while the sum is 49.

The square root of 889291066 is about 29820.9836524552. The cubic root of 889291066 is about 961.6447016153.

The spelling of 889291066 in words is "eight hundred eighty-nine million, two hundred ninety-one thousand, sixty-six".