84090532508 has 12 divisors (see below), whose sum is σ = 147164199672. Its totient is φ = 42043618320.

The previous prime is 84090532499. The next prime is 84090532523. The reversal of 84090532508 is 80523509048.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 293378 + ... + 504233.

It is an arithmetic number, because the mean of its divisors is an integer number (12263683306).

Almost surely, 2^84090532508 is an apocalyptic number.

It is an amenable number.

84090532508 is a deficient number, since it is larger than the sum of its proper divisors (63073667164).

84090532508 is a wasteful number, since it uses less digits than its factorization.

84090532508 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 823972 (or 823970 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 44.

The spelling of 84090532508 in words is "eighty-four billion, ninety million, five hundred thirty-two thousand, five hundred eight".