90369811 has 4 divisors (see below), whose sum is σ = 103279792. Its totient is φ = 77459832.

The previous prime is 90369809. The next prime is 90369817. The reversal of 90369811 is 11896309.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11896309 = 149 ⋅79841.

It is a cyclic number.

It is not a de Polignac number, because 90369811 - 2¹ = 90369809 is a prime.

It is not an unprimeable number, because it can be changed into a prime (90369817) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6454980 + ... + 6454993.

It is an arithmetic number, because the mean of its divisors is an integer number (25819948).

Almost surely, 2^90369811 is an apocalyptic number.

90369811 is a deficient number, since it is larger than the sum of its proper divisors (12909981).

90369811 is a wasteful number, since it uses less digits than its factorization.

90369811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12909980.

The product of its (nonzero) digits is 11664, while the sum is 37.

The square root of 90369811 is about 9506.3037506699. The cubic root of 90369811 is about 448.7534405894.

The spelling of 90369811 in words is "ninety million, three hundred sixty-nine thousand, eight hundred eleven".