90507795 has 16 divisors (see below), whose sum is σ = 165500160. Its totient is φ = 41374944.

The previous prime is 90507793. The next prime is 90507797. The reversal of 90507795 is 59770509.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (90507793) and next prime (90507797).

It is not a de Polignac number, because 90507795 - 2¹ = 90507793 is a prime.

It is not an unprimeable number, because it can be changed into a prime (90507793) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 430885 + ... + 431094.

It is an arithmetic number, because the mean of its divisors is an integer number (10343760).

Almost surely, 2^90507795 is an apocalyptic number.

90507795 is a deficient number, since it is larger than the sum of its proper divisors (74992365).

90507795 is a wasteful number, since it uses less digits than its factorization.

90507795 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 861994.

The product of its (nonzero) digits is 99225, while the sum is 42.

The square root of 90507795 is about 9513.5584825027. The cubic root of 90507795 is about 448.9817222302.

The spelling of 90507795 in words is "ninety million, five hundred seven thousand, seven hundred ninety-five".