89576387 has 4 divisors (see below), whose sum is σ = 90913416. Its totient is φ = 88239360.

The previous prime is 89576381. The next prime is 89576419. The reversal of 89576387 is 78367598.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 78367598 = 2 ⋅39183799.

It is a cyclic number.

It is not a de Polignac number, because 89576387 - 2⁸ = 89576131 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (89576381) 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, 668414 + ... + 668547.

It is an arithmetic number, because the mean of its divisors is an integer number (22728354).

Almost surely, 2^89576387 is an apocalyptic number.

89576387 is a deficient number, since it is larger than the sum of its proper divisors (1337029).

89576387 is a wasteful number, since it uses less digits than its factorization.

89576387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1337028.

The product of its digits is 2540160, while the sum is 53.

The square root of 89576387 is about 9464.4802815580. The cubic root of 89576387 is about 447.4362644474.

The spelling of 89576387 in words is "eighty-nine million, five hundred seventy-six thousand, three hundred eighty-seven".