89798775001255 has 16 divisors (see below), whose sum is σ = 107928468743040. Its totient is φ = 71725740482592.

The previous prime is 89798775001249. The next prime is 89798775001333. The reversal of 89798775001255 is 55210057789798.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-89798775001255 is a prime.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 55169992 + ... + 56774338.

It is an arithmetic number, because the mean of its divisors is an integer number (6745529296440).

Almost surely, 2^{89798775001255} is an apocalyptic number.

89798775001255 is a deficient number, since it is larger than the sum of its proper divisors (18129693741785).

89798775001255 is a wasteful number, since it uses less digits than its factorization.

89798775001255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1621998.

The product of its (nonzero) digits is 444528000, while the sum is 73.

The spelling of 89798775001255 in words is "eighty-nine trillion, seven hundred ninety-eight billion, seven hundred seventy-five million, one thousand, two hundred fifty-five".