89408125919 has 12 divisors (see below), whose sum is σ = 104050084104. Its totient is φ = 76602590064.

The previous prime is 89408125907. The next prime is 89408125921. The reversal of 89408125919 is 91952180498.

It is a de Polignac number, because none of the positive numbers 2^k-89408125919 is a prime.

It is a super-2 number, since 2×89408125919² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89408125819) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 276737 + ... + 505370.

It is an arithmetic number, because the mean of its divisors is an integer number (8670840342).

Almost surely, 2^89408125919 is an apocalyptic number.

89408125919 is a deficient number, since it is larger than the sum of its proper divisors (14641958185).

89408125919 is a wasteful number, since it uses less digits than its factorization.

89408125919 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 784454 (or 784447 counting only the distinct ones).

The product of its (nonzero) digits is 1866240, while the sum is 56.

The spelling of 89408125919 in words is "eighty-nine billion, four hundred eight million, one hundred twenty-five thousand, nine hundred nineteen".