89866761 has 8 divisors (see below), whose sum is σ = 119936544. Its totient is φ = 59854080.

The previous prime is 89866741. The next prime is 89866787. The reversal of 89866761 is 16766898.

It is a happy number.

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

It is not a de Polignac number, because 89866761 - 2⁵ = 89866729 is a prime.

It is a super-2 number, since 2×89866761² = 16152069465262242, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (89866741) 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, 10456 + ... + 17001.

It is an arithmetic number, because the mean of its divisors is an integer number (14992068).

Almost surely, 2^89866761 is an apocalyptic number.

It is an amenable number.

89866761 is a deficient number, since it is larger than the sum of its proper divisors (30069783).

89866761 is a wasteful number, since it uses less digits than its factorization.

89866761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28551.

The product of its digits is 870912, while the sum is 51.

The square root of 89866761 is about 9479.8080676773. The cubic root of 89866761 is about 447.9192180690.

The spelling of 89866761 in words is "eighty-nine million, eight hundred sixty-six thousand, seven hundred sixty-one".