90867291575 has 12 divisors (see below), whose sum is σ = 113060008488. Its totient is φ = 72445725600.

The previous prime is 90867291569. The next prime is 90867291601. The reversal of 90867291575 is 57519276809.

It is not a de Polignac number, because 90867291575 - 2⁶ = 90867291511 is a prime.

It is a Duffinian number.

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 11 ways as a sum of consecutive naturals, for example, 6195221 + ... + 6209870.

It is an arithmetic number, because the mean of its divisors is an integer number (9421667374).

Almost surely, 2^90867291575 is an apocalyptic number.

90867291575 is a deficient number, since it is larger than the sum of its proper divisors (22192716913).

90867291575 is a wasteful number, since it uses less digits than its factorization.

90867291575 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12405394 (or 12405389 counting only the distinct ones).

The product of its (nonzero) digits is 9525600, while the sum is 59.

The spelling of 90867291575 in words is "ninety billion, eight hundred sixty-seven million, two hundred ninety-one thousand, five hundred seventy-five".