84774372480 has 768 divisors, whose sum is σ = 342553536000. Its totient is φ = 18920964096.

The previous prime is 84774372469. The next prime is 84774372493. The reversal of 84774372480 is 8427347748.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 568955446 + ... + 568955594.

It is an arithmetic number, because the mean of its divisors is an integer number (446033250).

Almost surely, 2^84774372480 is an apocalyptic number.

84774372480 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 84774372480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (171276768000).

84774372480 is an abundant number, since it is smaller than the sum of its proper divisors (257779163520).

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

84774372480 is a wasteful number, since it uses less digits than its factorization.

84774372480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 421 (or 406 counting only the distinct ones).

The product of its (nonzero) digits is 8429568, while the sum is 54.

The spelling of 84774372480 in words is "eighty-four billion, seven hundred seventy-four million, three hundred seventy-two thousand, four hundred eighty".