90825783 has 8 divisors (see below), whose sum is σ = 124054896. Its totient is φ = 59073600.

The previous prime is 90825743. The next prime is 90825793. The reversal of 90825783 is 38752809.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 90825783 - 2¹⁰ = 90824759 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90825733) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 369088 + ... + 369333.

It is an arithmetic number, because the mean of its divisors is an integer number (15506862).

Almost surely, 2^90825783 is an apocalyptic number.

90825783 is a deficient number, since it is larger than the sum of its proper divisors (33229113).

90825783 is a wasteful number, since it uses less digits than its factorization.

90825783 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 738465.

The product of its (nonzero) digits is 120960, while the sum is 42.

The square root of 90825783 is about 9530.2561875324. The cubic root of 90825783 is about 449.5069216451.

The spelling of 90825783 in words is "ninety million, eight hundred twenty-five thousand, seven hundred eighty-three".