89596729 has 4 divisors (see below), whose sum is σ = 89658000. Its totient is φ = 89535460.

The previous prime is 89596679. The next prime is 89596777. The reversal of 89596729 is 92769598.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 89596729 - 2¹³ = 89588537 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 89596729.

It is not an unprimeable number, because it can be changed into a prime (89593729) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28387 + ... + 31384.

It is an arithmetic number, because the mean of its divisors is an integer number (22414500).

Almost surely, 2^89596729 is an apocalyptic number.

It is an amenable number.

89596729 is a deficient number, since it is larger than the sum of its proper divisors (61271).

89596729 is a wasteful number, since it uses less digits than its factorization.

89596729 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61270.

The product of its digits is 2449440, while the sum is 55.

The square root of 89596729 is about 9465.5548701595. The cubic root of 89596729 is about 447.4701314813.

The spelling of 89596729 in words is "eighty-nine million, five hundred ninety-six thousand, seven hundred twenty-nine".