90653761 has 8 divisors (see below), whose sum is σ = 101195424. Its totient is φ = 80495520.

The previous prime is 90653753. The next prime is 90653767. The reversal of 90653761 is 16735609.

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 90653761 - 2³ = 90653753 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 90653761.

It is not an unprimeable number, because it can be changed into a prime (90653767) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 95356 + ... + 96301.

It is an arithmetic number, because the mean of its divisors is an integer number (12649428).

Almost surely, 2^90653761 is an apocalyptic number.

It is an amenable number.

90653761 is a deficient number, since it is larger than the sum of its proper divisors (10541663).

90653761 is a wasteful number, since it uses less digits than its factorization.

90653761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191711.

The product of its (nonzero) digits is 34020, while the sum is 37.

The square root of 90653761 is about 9521.2268642229. The cubic root of 90653761 is about 449.2229569460. Note that the first 3 decimals are identical.

The spelling of 90653761 in words is "ninety million, six hundred fifty-three thousand, seven hundred sixty-one".