89279959999 has 8 divisors (see below), whose sum is σ = 92724952320. Its totient is φ = 85899360216.

The previous prime is 89279959987. The next prime is 89279960047. The reversal of 89279959999 is 99995997298.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 89279959999 - 2¹¹ = 89279957951 is a prime.

It is a super-2 number, since 2×89279959999² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89279959949) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16095309 + ... + 16100854.

It is an arithmetic number, because the mean of its divisors is an integer number (11590619040).

Almost surely, 2^89279959999 is an apocalyptic number.

89279959999 is a deficient number, since it is larger than the sum of its proper divisors (3444992321).

89279959999 is a wasteful number, since it uses less digits than its factorization.

89279959999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32196269.

The product of its digits is 2678462640, while the sum is 85.

The spelling of 89279959999 in words is "eighty-nine billion, two hundred seventy-nine million, nine hundred fifty-nine thousand, nine hundred ninety-nine".