89339765 has 4 divisors (see below), whose sum is σ = 107207724. Its totient is φ = 71471808.

The previous prime is 89339759. The next prime is 89339791. The reversal of 89339765 is 56793398.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 56415121 + 32924644 = 7511^2 + 5738^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-89339765 is a prime.

It is a super-2 number, since 2×89339765² = 15963187220510450, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8933972 + ... + 8933981.

It is an arithmetic number, because the mean of its divisors is an integer number (26801931).

Almost surely, 2^89339765 is an apocalyptic number.

It is an amenable number.

89339765 is a deficient number, since it is larger than the sum of its proper divisors (17867959).

89339765 is a wasteful number, since it uses less digits than its factorization.

89339765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17867958.

The product of its digits is 1224720, while the sum is 50.

The square root of 89339765 is about 9451.9714874729. The cubic root of 89339765 is about 447.0419394542.

The spelling of 89339765 in words is "eighty-nine million, three hundred thirty-nine thousand, seven hundred sixty-five".