89876765 has 16 divisors (see below), whose sum is σ = 119655360. Its totient is φ = 64254720.

The previous prime is 89876753. The next prime is 89876767. The reversal of 89876765 is 56767898.

It is a happy number.

89876765 is an esthetic number in base 10, because in such base its adjacent digits differ by 1.

It is not a de Polignac number, because 89876765 - 2⁴ = 89876749 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a self number, because there is not a number n which added to its sum of digits gives 89876765.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89876767) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10604 + ... + 17093.

It is an arithmetic number, because the mean of its divisors is an integer number (7478460).

Almost surely, 2^89876765 is an apocalyptic number.

It is an amenable number.

89876765 is a deficient number, since it is larger than the sum of its proper divisors (29778595).

89876765 is a wasteful number, since it uses less digits than its factorization.

89876765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27772.

The product of its digits is 5080320, while the sum is 56.

The square root of 89876765 is about 9480.3357008072. The cubic root of 89876765 is about 447.9358382948.

The spelling of 89876765 in words is "eighty-nine million, eight hundred seventy-six thousand, seven hundred sixty-five".