89856134501 has 4 divisors (see below), whose sum is σ = 102692725152. Its totient is φ = 77019543852.

The previous prime is 89856134497. The next prime is 89856134509. The reversal of 89856134501 is 10543165898.

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 89856134501 - 2² = 89856134497 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 89856134501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89856134509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6418295315 + ... + 6418295328.

It is an arithmetic number, because the mean of its divisors is an integer number (25673181288).

Almost surely, 2^89856134501 is an apocalyptic number.

It is an amenable number.

89856134501 is a deficient number, since it is larger than the sum of its proper divisors (12836590651).

89856134501 is a wasteful number, since it uses less digits than its factorization.

89856134501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12836590650.

The product of its (nonzero) digits is 1036800, while the sum is 50.

The spelling of 89856134501 in words is "eighty-nine billion, eight hundred fifty-six million, one hundred thirty-four thousand, five hundred one".