89374537121 has 4 divisors (see below), whose sum is σ = 94631862852. Its totient is φ = 84117211392.

The previous prime is 89374537111. The next prime is 89374537127. The reversal of 89374537121 is 12173547398.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 57436915600 + 31937621521 = 239660^2 + 178711^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-89374537121 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 89374537121.

It is not an unprimeable number, because it can be changed into a prime (89374537127) 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, 2628662840 + ... + 2628662873.

It is an arithmetic number, because the mean of its divisors is an integer number (23657965713).

Almost surely, 2^89374537121 is an apocalyptic number.

It is an amenable number.

89374537121 is a deficient number, since it is larger than the sum of its proper divisors (5257325731).

89374537121 is a wasteful number, since it uses less digits than its factorization.

89374537121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5257325730.

The product of its digits is 1270080, while the sum is 50.

The spelling of 89374537121 in words is "eighty-nine billion, three hundred seventy-four million, five hundred thirty-seven thousand, one hundred twenty-one".