90465797 has 4 divisors (see below), whose sum is σ = 91073100. Its totient is φ = 89858496.

The previous prime is 90465779. The next prime is 90465811. The reversal of 90465797 is 79756409.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 8726116 + 81739681 = 2954^2 + 9041^2 .

It is a cyclic number.

It is not a de Polignac number, because 90465797 - 2⁶ = 90465733 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90465097) 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 3 ways as a sum of consecutive naturals, for example, 303428 + ... + 303725.

It is an arithmetic number, because the mean of its divisors is an integer number (22768275).

Almost surely, 2^90465797 is an apocalyptic number.

It is an amenable number.

90465797 is a deficient number, since it is larger than the sum of its proper divisors (607303).

90465797 is a wasteful number, since it uses less digits than its factorization.

90465797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 607302.

The product of its (nonzero) digits is 476280, while the sum is 47.

The square root of 90465797 is about 9511.3509555688. The cubic root of 90465797 is about 448.9122650388.

The spelling of 90465797 in words is "ninety million, four hundred sixty-five thousand, seven hundred ninety-seven".