84090051592 has 8 divisors (see below), whose sum is σ = 157668846750. Its totient is φ = 42045025792.

The previous prime is 84090051541. The next prime is 84090051611. The reversal of 84090051592 is 29515009048.

It can be written as a sum of positive squares in only one way, i.e., 60110290276 + 23979761316 = 245174^2 + 154854^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×84090051592² (a number of 23 digits) contains 22 as substring.

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 as a sum of consecutive naturals, namely, 5255628217 + ... + 5255628232.

Almost surely, 2^84090051592 is an apocalyptic number.

It is an amenable number.

84090051592 is a deficient number, since it is larger than the sum of its proper divisors (73578795158).

84090051592 is a wasteful number, since it uses less digits than its factorization.

84090051592 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10511256455 (or 10511256451 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 43.

The spelling of 84090051592 in words is "eighty-four billion, ninety million, fifty-one thousand, five hundred ninety-two".