89072766 has 24 divisors (see below), whose sum is σ = 195711984. Its totient is φ = 29272320.

The previous prime is 89072759. The next prime is 89072771. The reversal of 89072766 is 66727098.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 33571 + ... + 36126.

It is an arithmetic number, because the mean of its divisors is an integer number (8154666).

Almost surely, 2^89072766 is an apocalyptic number.

89072766 is an abundant number, since it is smaller than the sum of its proper divisors (106639218).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

89072766 is a wasteful number, since it uses less digits than its factorization.

89072766 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69776 (or 69773 counting only the distinct ones).

The product of its (nonzero) digits is 254016, while the sum is 45.

The square root of 89072766 is about 9437.8369343828. The cubic root of 89072766 is about 446.5961549297.

The spelling of 89072766 in words is "eighty-nine million, seventy-two thousand, seven hundred sixty-six".