84576289579 has 4 divisors (see below), whose sum is σ = 84913247160. Its totient is φ = 84239332000.

The previous prime is 84576289541. The next prime is 84576289583. The reversal of 84576289579 is 97598267548.

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 84576289579 - 2⁷ = 84576289451 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (84576289519) 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, 168478414 + ... + 168478915.

It is an arithmetic number, because the mean of its divisors is an integer number (21228311790).

Almost surely, 2^84576289579 is an apocalyptic number.

84576289579 is a deficient number, since it is larger than the sum of its proper divisors (336957581).

84576289579 is a wasteful number, since it uses less digits than its factorization.

84576289579 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 336957580.

The product of its digits is 304819200, while the sum is 70.

The spelling of 84576289579 in words is "eighty-four billion, five hundred seventy-six million, two hundred eighty-nine thousand, five hundred seventy-nine".