89971278741 has 16 divisors (see below), whose sum is σ = 135805705920. Its totient is φ = 58849137360.

The previous prime is 89971278731. The next prime is 89971278743. The reversal of 89971278741 is 14787217998.

It is not a de Polignac number, because 89971278741 - 2⁷ = 89971278613 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89971278743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31435075 + ... + 31437936.

It is an arithmetic number, because the mean of its divisors is an integer number (8487856620).

Almost surely, 2^89971278741 is an apocalyptic number.

It is an amenable number.

89971278741 is a deficient number, since it is larger than the sum of its proper divisors (45834427179).

89971278741 is a wasteful number, since it uses less digits than its factorization.

89971278741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62873073 (or 62873067 counting only the distinct ones).

The product of its digits is 14224896, while the sum is 63.

The spelling of 89971278741 in words is "eighty-nine billion, nine hundred seventy-one million, two hundred seventy-eight thousand, seven hundred forty-one".