84503907072 has 504 divisors, whose sum is σ = 277304435408. Its totient is φ = 25530163200.

The previous prime is 84503907053. The next prime is 84503907107. The reversal of 84503907072 is 27070930548.

84503907072 is a `hidden beast` number, since 8 + 4 + 503 + 9 + 0 + 70 + 72 = 666.

It is a super-2 number, since 2×84503907072² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 147992547 + ... + 147993117.

Almost surely, 2^84503907072 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 84503907072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (138652217704).

84503907072 is an abundant number, since it is smaller than the sum of its proper divisors (192800528336).

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

84503907072 is an equidigital number, since it uses as much as digits as its factorization.

84503907072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 679 (or 650 counting only the distinct ones).

The product of its (nonzero) digits is 423360, while the sum is 45.

The spelling of 84503907072 in words is "eighty-four billion, five hundred three million, nine hundred seven thousand, seventy-two".