90824131147 has 4 divisors (see below), whose sum is σ = 90934489360. Its totient is φ = 90713772936.

The previous prime is 90824131121. The next prime is 90824131169. The reversal of 90824131147 is 74113142809.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 74113142809 = 75253 ⋅984853.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-90824131147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (90824131117) 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, 55177872 + ... + 55179517.

It is an arithmetic number, because the mean of its divisors is an integer number (22733622340).

Almost surely, 2^90824131147 is an apocalyptic number.

90824131147 is a deficient number, since it is larger than the sum of its proper divisors (110358213).

90824131147 is a wasteful number, since it uses less digits than its factorization.

90824131147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110358212.

The product of its (nonzero) digits is 48384, while the sum is 40.

The spelling of 90824131147 in words is "ninety billion, eight hundred twenty-four million, one hundred thirty-one thousand, one hundred forty-seven".