84903137280 has 1040 divisors, whose sum is σ = 341005615104. Its totient is φ = 20065812480.

The previous prime is 84903137239. The next prime is 84903137299. The reversal of 84903137280 is 8273130948.

84903137280 is a `hidden beast` number, since 8 + 490 + 3 + 13 + 72 + 80 = 666.

It is a tau number, because it is divible by the number of its divisors (1040).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 668528577 + ... + 668528703.

Almost surely, 2^84903137280 is an apocalyptic number.

84903137280 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 84903137280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (170502807552).

84903137280 is an abundant number, since it is smaller than the sum of its proper divisors (256102477824).

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

84903137280 is a wasteful number, since it uses less digits than its factorization.

84903137280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212 (or 181 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 45.

The spelling of 84903137280 in words is "eighty-four billion, nine hundred three million, one hundred thirty-seven thousand, two hundred eighty".