89212246691 has 4 divisors (see below), whose sum is σ = 89341353384. Its totient is φ = 89083140000.

The previous prime is 89212246681. The next prime is 89212246703. The reversal of 89212246691 is 19664221298.

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

It is a cyclic number.

It is not a de Polignac number, because 89212246691 - 2¹⁴ = 89212230307 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (89212246681) 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, 64552310 + ... + 64553691.

It is an arithmetic number, because the mean of its divisors is an integer number (22335338346).

Almost surely, 2^89212246691 is an apocalyptic number.

89212246691 is a deficient number, since it is larger than the sum of its proper divisors (129106693).

89212246691 is a wasteful number, since it uses less digits than its factorization.

89212246691 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129106692.

The product of its digits is 746496, while the sum is 50.

The spelling of 89212246691 in words is "eighty-nine billion, two hundred twelve million, two hundred forty-six thousand, six hundred ninety-one".