83894528459 has 4 divisors (see below), whose sum is σ = 95879461104. Its totient is φ = 71909595816.

The previous prime is 83894528429. The next prime is 83894528461. The reversal of 83894528459 is 95482549838.

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

It is a cyclic number.

It is not a de Polignac number, because 83894528459 - 2²⁸ = 83626093003 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 83894528395 and 83894528404.

It is not an unprimeable number, because it can be changed into a prime (83894528429) 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, 5992466312 + ... + 5992466325.

It is an arithmetic number, because the mean of its divisors is an integer number (23969865276).

Almost surely, 2^83894528459 is an apocalyptic number.

83894528459 is a deficient number, since it is larger than the sum of its proper divisors (11984932645).

83894528459 is a wasteful number, since it uses less digits than its factorization.

83894528459 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11984932644.

The product of its digits is 99532800, while the sum is 65.

The spelling of 83894528459 in words is "eighty-three billion, eight hundred ninety-four million, five hundred twenty-eight thousand, four hundred fifty-nine".