84026976840 has 192 divisors, whose sum is σ = 291618662400. Its totient is φ = 20936563200.

The previous prime is 84026976833. The next prime is 84026976857. The reversal of 84026976840 is 4867962048.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 193825 + ... + 453455.

It is an arithmetic number, because the mean of its divisors is an integer number (1518847200).

Almost surely, 2^84026976840 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 84026976840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (145809331200).

84026976840 is an abundant number, since it is smaller than the sum of its proper divisors (207591685560).

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

84026976840 is a wasteful number, since it uses less digits than its factorization.

84026976840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 259708 (or 259701 counting only the distinct ones).

The product of its (nonzero) digits is 4644864, while the sum is 54.

The spelling of 84026976840 in words is "eighty-four billion, twenty-six million, nine hundred seventy-six thousand, eight hundred forty".