84133480 has 32 divisors (see below), whose sum is σ = 191435400. Its totient is φ = 33273856.

The previous prime is 84133477. The next prime is 84133513. The reversal of 84133480 is 8433148.

It can be written as a sum of positive squares in 4 ways, for example, as 72148036 + 11985444 = 8494^2 + 3462^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8257 + ... + 15376.

Almost surely, 2^84133480 is an apocalyptic number.

It is an amenable number.

84133480 is an abundant number, since it is smaller than the sum of its proper divisors (107301920).

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

84133480 is a wasteful number, since it uses less digits than its factorization.

84133480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23733 (or 23729 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 31.

The square root of 84133480 is about 9172.4304303712. The cubic root of 84133480 is about 438.1837667058.

The spelling of 84133480 in words is "eighty-four million, one hundred thirty-three thousand, four hundred eighty".