84537799533 has 12 divisors (see below), whose sum is σ = 133211078208. Its totient is φ = 51235029960.

The previous prime is 84537799519. The next prime is 84537799603. The reversal of 84537799533 is 33599773548.

84537799533 is a `hidden beast` number, since 8 + 4 + 5 + 3 + 7 + 7 + 99 + 533 = 666.

It is not a de Polignac number, because 84537799533 - 2⁸ = 84537799277 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84537799133) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 426958485 + ... + 426958682.

It is an arithmetic number, because the mean of its divisors is an integer number (11100923184).

Almost surely, 2^84537799533 is an apocalyptic number.

It is an amenable number.

84537799533 is a deficient number, since it is larger than the sum of its proper divisors (48673278675).

84537799533 is a wasteful number, since it uses less digits than its factorization.

84537799533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 853917184 (or 853917181 counting only the distinct ones).

The product of its digits is 85730400, while the sum is 63.

The spelling of 84537799533 in words is "eighty-four billion, five hundred thirty-seven million, seven hundred ninety-nine thousand, five hundred thirty-three".