84958079 has 4 divisors (see below), whose sum is σ = 84978384. Its totient is φ = 84937776.

The previous prime is 84958019. The next prime is 84958121. The reversal of 84958079 is 97085948.

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 84958079 - 2²⁰ = 83909503 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84958009) 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, 1307 + ... + 13100.

It is an arithmetic number, because the mean of its divisors is an integer number (21244596).

Almost surely, 2^84958079 is an apocalyptic number.

84958079 is a deficient number, since it is larger than the sum of its proper divisors (20305).

84958079 is a wasteful number, since it uses less digits than its factorization.

84958079 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20304.

The product of its (nonzero) digits is 725760, while the sum is 50.

The square root of 84958079 is about 9217.2706914791. The cubic root of 84958079 is about 439.6106731741.

The spelling of 84958079 in words is "eighty-four million, nine hundred fifty-eight thousand, seventy-nine".