84830478009 has 8 divisors (see below), whose sum is σ = 115866018912. Its totient is φ = 55174294560.

The previous prime is 84830477993. The next prime is 84830478037. The reversal of 84830478009 is 90087403848.

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

It is not a de Polignac number, because 84830478009 - 2⁴ = 84830477993 is a prime.

It is not an unprimeable number, because it can be changed into a prime (84830478079) 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, 344839219 + ... + 344839464.

It is an arithmetic number, because the mean of its divisors is an integer number (14483252364).

Almost surely, 2^84830478009 is an apocalyptic number.

It is an amenable number.

84830478009 is a deficient number, since it is larger than the sum of its proper divisors (31035540903).

84830478009 is a wasteful number, since it uses less digits than its factorization.

84830478009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 689678727.

The product of its (nonzero) digits is 1548288, while the sum is 51.

The spelling of 84830478009 in words is "eighty-four billion, eight hundred thirty million, four hundred seventy-eight thousand, nine".