91760961 has 16 divisors (see below), whose sum is σ = 131788800. Its totient is φ = 56625360.

The previous prime is 91760947. The next prime is 91760969. The reversal of 91760961 is 16906719.

It is not a de Polignac number, because 91760961 - 2⁷ = 91760833 is a prime.

It is not an unprimeable number, because it can be changed into a prime (91760969) 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 15 ways as a sum of consecutive naturals, for example, 19311 + ... + 23588.

It is an arithmetic number, because the mean of its divisors is an integer number (8236800).

Almost surely, 2^91760961 is an apocalyptic number.

It is an amenable number.

91760961 is a deficient number, since it is larger than the sum of its proper divisors (40027839).

91760961 is a wasteful number, since it uses less digits than its factorization.

91760961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42956.

The product of its (nonzero) digits is 20412, while the sum is 39.

The square root of 91760961 is about 9579.1941727893. The cubic root of 91760961 is about 451.0444234621.

The spelling of 91760961 in words is "ninety-one million, seven hundred sixty thousand, nine hundred sixty-one".