90411567 has 4 divisors (see below), whose sum is σ = 120548760. Its totient is φ = 60274376.

The previous prime is 90411553. The next prime is 90411571. The reversal of 90411567 is 76511409.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 90411567 - 2⁷ = 90411439 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90411527) 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, 15068592 + ... + 15068597.

It is an arithmetic number, because the mean of its divisors is an integer number (30137190).

Almost surely, 2^90411567 is an apocalyptic number.

90411567 is a deficient number, since it is larger than the sum of its proper divisors (30137193).

90411567 is a wasteful number, since it uses less digits than its factorization.

90411567 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30137192.

The product of its (nonzero) digits is 7560, while the sum is 33.

The square root of 90411567 is about 9508.4997239312. The cubic root of 90411567 is about 448.8225464968.

The spelling of 90411567 in words is "ninety million, four hundred eleven thousand, five hundred sixty-seven".