89678191493 has 8 divisors (see below), whose sum is σ = 98487338400. Its totient is φ = 80978475280.

The previous prime is 89678191453. The next prime is 89678191513. The reversal of 89678191493 is 39419187698.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 89678191493 - 2²⁴ = 89661414277 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89678191453) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27355955 + ... + 27359232.

It is an arithmetic number, because the mean of its divisors is an integer number (12310917300).

Almost surely, 2^89678191493 is an apocalyptic number.

It is an amenable number.

89678191493 is a deficient number, since it is larger than the sum of its proper divisors (8809146907).

89678191493 is a wasteful number, since it uses less digits than its factorization.

89678191493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54715347.

The product of its digits is 23514624, while the sum is 65.

The spelling of 89678191493 in words is "eighty-nine billion, six hundred seventy-eight million, one hundred ninety-one thousand, four hundred ninety-three".