90357769 has 8 divisors (see below), whose sum is σ = 90972000. Its totient is φ = 89746272.

The previous prime is 90357767. The next prime is 90357781. The reversal of 90357769 is 96775309.

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

It is a cyclic number.

It is not a de Polignac number, because 90357769 - 2¹ = 90357767 is a prime.

It is a super-2 number, since 2×90357769² = 16329052837314722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (90357767) 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, 158517 + ... + 159085.

It is an arithmetic number, because the mean of its divisors is an integer number (11371500).

Almost surely, 2^90357769 is an apocalyptic number.

It is an amenable number.

90357769 is a deficient number, since it is larger than the sum of its proper divisors (614231).

90357769 is a wasteful number, since it uses less digits than its factorization.

90357769 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1367.

The product of its (nonzero) digits is 357210, while the sum is 46.

The square root of 90357769 is about 9505.6703603691. The cubic root of 90357769 is about 448.7335072034.

The spelling of 90357769 in words is "ninety million, three hundred fifty-seven thousand, seven hundred sixty-nine".