89953322815 has 4 divisors (see below), whose sum is σ = 107943987384. Its totient is φ = 71962658248.

The previous prime is 89953322813. The next prime is 89953322831. The reversal of 89953322815 is 51822335998.

It is a happy number.

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 89953322815 - 2¹ = 89953322813 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89953322813) 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, 8995332277 + ... + 8995332286.

It is an arithmetic number, because the mean of its divisors is an integer number (26985996846).

Almost surely, 2^89953322815 is an apocalyptic number.

89953322815 is a deficient number, since it is larger than the sum of its proper divisors (17990664569).

89953322815 is a wasteful number, since it uses less digits than its factorization.

89953322815 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17990664568.

The product of its digits is 4665600, while the sum is 55.

The spelling of 89953322815 in words is "eighty-nine billion, nine hundred fifty-three million, three hundred twenty-two thousand, eight hundred fifteen".