90285715375 has 8 divisors (see below), whose sum is σ = 112676572944. Its totient is φ = 72228572200.

The previous prime is 90285715369. The next prime is 90285715381. The reversal of 90285715375 is 57351758209.

It is an interprime number because it is at equal distance from previous prime (90285715369) and next prime (90285715381).

It is not a de Polignac number, because 90285715375 - 2¹⁷ = 90285584303 is a prime.

It is a super-2 number, since 2×90285715375² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 361142737 + ... + 361142986.

It is an arithmetic number, because the mean of its divisors is an integer number (14084571618).

Almost surely, 2^90285715375 is an apocalyptic number.

90285715375 is a deficient number, since it is larger than the sum of its proper divisors (22390857569).

90285715375 is an equidigital number, since it uses as much as digits as its factorization.

90285715375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 722285738 (or 722285728 counting only the distinct ones).

The product of its (nonzero) digits is 2646000, while the sum is 52.

The spelling of 90285715375 in words is "ninety billion, two hundred eighty-five million, seven hundred fifteen thousand, three hundred seventy-five".