90884761 has 8 divisors (see below), whose sum is σ = 99300384. Its totient is φ = 82494720.

The previous prime is 90884747. The next prime is 90884797. The reversal of 90884761 is 16748809.

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

It is not a de Polignac number, because 90884761 - 2¹¹ = 90882713 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (90884701) 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, 1465 + ... + 13561.

It is an arithmetic number, because the mean of its divisors is an integer number (12412548).

Almost surely, 2^90884761 is an apocalyptic number.

It is an amenable number.

90884761 is a deficient number, since it is larger than the sum of its proper divisors (8415623).

90884761 is a wasteful number, since it uses less digits than its factorization.

90884761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12791.

The product of its (nonzero) digits is 96768, while the sum is 43.

The square root of 90884761 is about 9533.3499358830. The cubic root of 90884761 is about 449.6041968244.

The spelling of 90884761 in words is "ninety million, eight hundred eighty-four thousand, seven hundred sixty-one".