91082967 has 16 divisors (see below), whose sum is σ = 127111680. Its totient is φ = 57904352.

The previous prime is 91082963. The next prime is 91083007. The reversal of 91082967 is 76928019.

It is a cyclic number.

It is not a de Polignac number, because 91082967 - 2² = 91082963 is a prime.

It is a super-2 number, since 2×91082967² = 16592213755046178, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91082963) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22933 + ... + 26609.

It is an arithmetic number, because the mean of its divisors is an integer number (7944480).

Almost surely, 2^91082967 is an apocalyptic number.

91082967 is a deficient number, since it is larger than the sum of its proper divisors (36028713).

91082967 is a wasteful number, since it uses less digits than its factorization.

91082967 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4062.

The product of its (nonzero) digits is 54432, while the sum is 42.

The square root of 91082967 is about 9543.7396758294. The cubic root of 91082967 is about 449.9307992354.

The spelling of 91082967 in words is "ninety-one million, eighty-two thousand, nine hundred sixty-seven".