90435609275 has 12 divisors (see below), whose sum is σ = 122334715464. Its totient is φ = 65771352000.

The previous prime is 90435609269. The next prime is 90435609281. The reversal of 90435609275 is 57290653409.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (90435609269) and next prime (90435609281).

It is not a de Polignac number, because 90435609275 - 2⁶ = 90435609211 is a prime.

It is a Duffinian 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, 164428106 + ... + 164428655.

It is an arithmetic number, because the mean of its divisors is an integer number (10194559622).

Almost surely, 2^90435609275 is an apocalyptic number.

90435609275 is a deficient number, since it is larger than the sum of its proper divisors (31899106189).

90435609275 is a wasteful number, since it uses less digits than its factorization.

90435609275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 328856782 (or 328856777 counting only the distinct ones).

The product of its (nonzero) digits is 2041200, while the sum is 50.

The spelling of 90435609275 in words is "ninety billion, four hundred thirty-five million, six hundred nine thousand, two hundred seventy-five".