89408125908 has 36 divisors (see below), whose sum is σ = 239298220980. Its totient is φ = 28049607936.

The previous prime is 89408125907. The next prime is 89408125921. The reversal of 89408125908 is 80952180498.

89408125908 is a `hidden beast` number, since 8 + 9 + 40 + 8 + 1 + 2 + 590 + 8 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 24190203024 + 65217922884 = 155532^2 + 255378^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89408125907) 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 11 ways as a sum of consecutive naturals, for example, 73045243 + ... + 73046466.

It is an arithmetic number, because the mean of its divisors is an integer number (6647172805).

Almost surely, 2^89408125908 is an apocalyptic number.

It is an amenable number.

89408125908 is an abundant number, since it is smaller than the sum of its proper divisors (149890095072).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

89408125908 is a wasteful number, since it uses less digits than its factorization.

89408125908 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146091736 (or 146091731 counting only the distinct ones).

The product of its (nonzero) digits is 1658880, while the sum is 54.

The spelling of 89408125908 in words is "eighty-nine billion, four hundred eight million, one hundred twenty-five thousand, nine hundred eight".