84884079999 has 8 divisors (see below), whose sum is σ = 116829701632. Its totient is φ = 54763922520.

The previous prime is 84884079961. The next prime is 84884080019. The reversal of 84884079999 is 99997048848.

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

It is not a de Polignac number, because 84884079999 - 2²¹ = 84881982847 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 84884079999.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84884079199) 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, 456365929 + ... + 456366114.

It is an arithmetic number, because the mean of its divisors is an integer number (14603712704).

Almost surely, 2^84884079999 is an apocalyptic number.

84884079999 is a deficient number, since it is larger than the sum of its proper divisors (31945621633).

84884079999 is a wasteful number, since it uses less digits than its factorization.

84884079999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 912732077.

The product of its (nonzero) digits is 376233984, while the sum is 75.

The spelling of 84884079999 in words is "eighty-four billion, eight hundred eighty-four million, seventy-nine thousand, nine hundred ninety-nine".