90781353 has 24 divisors (see below), whose sum is σ = 143619840. Its totient is φ = 54914400.

The previous prime is 90781337. The next prime is 90781399. The reversal of 90781353 is 35318709.

It is not a de Polignac number, because 90781353 - 2⁴ = 90781337 is a prime.

It is not an unprimeable number, because it can be changed into a prime (90783353) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 328 + ... + 13478.

It is an arithmetic number, because the mean of its divisors is an integer number (5984160).

Almost surely, 2^90781353 is an apocalyptic number.

It is an amenable number.

90781353 is a deficient number, since it is larger than the sum of its proper divisors (52838487).

90781353 is a wasteful number, since it uses less digits than its factorization.

90781353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13229 (or 13226 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 36.

The square root of 90781353 is about 9527.9249052456. The cubic root of 90781353 is about 449.4336133498.

The spelling of 90781353 in words is "ninety million, seven hundred eighty-one thousand, three hundred fifty-three".