84379211340 has 96 divisors (see below), whose sum is σ = 250271078400. Its totient is φ = 21168086016.

The previous prime is 84379211321. The next prime is 84379211359. The reversal of 84379211340 is 4311297348.

It is an interprime number because it is at equal distance from previous prime (84379211321) and next prime (84379211359).

It is a junction number, because it is equal to n+sod(n) for n = 84379211292 and 84379211301.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2429739 + ... + 2464221.

It is an arithmetic number, because the mean of its divisors is an integer number (2606990400).

Almost surely, 2^84379211340 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 84379211340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (125135539200).

84379211340 is an abundant number, since it is smaller than the sum of its proper divisors (165891867060).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

84379211340 is a wasteful number, since it uses less digits than its factorization.

84379211340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36911 (or 36909 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 42.

The spelling of 84379211340 in words is "eighty-four billion, three hundred seventy-nine million, two hundred eleven thousand, three hundred forty".