90696567 has 16 divisors (see below), whose sum is σ = 135894528. Its totient is φ = 53386080.

The previous prime is 90696539. The next prime is 90696577. The reversal of 90696567 is 76569609.

It is not a de Polignac number, because 90696567 - 2¹⁰ = 90695543 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90696577) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49659 + ... + 51452.

It is an arithmetic number, because the mean of its divisors is an integer number (8493408).

Almost surely, 2^90696567 is an apocalyptic number.

90696567 is a deficient number, since it is larger than the sum of its proper divisors (45197961).

90696567 is a wasteful number, since it uses less digits than its factorization.

90696567 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101150.

The product of its (nonzero) digits is 612360, while the sum is 48.

The square root of 90696567 is about 9523.4745235129. The cubic root of 90696567 is about 449.2936523473.

The spelling of 90696567 in words is "ninety million, six hundred ninety-six thousand, five hundred sixty-seven".