91082764 has 12 divisors (see below), whose sum is σ = 159465600. Its totient is φ = 45521168.

The previous prime is 91082759. The next prime is 91082767. The reversal of 91082764 is 46728019.

It is not an unprimeable number, because it can be changed into a prime (91082767) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10197 + ... + 16915.

It is an arithmetic number, because the mean of its divisors is an integer number (13288800).

Almost surely, 2^91082764 is an apocalyptic number.

It is an amenable number.

91082764 is a deficient number, since it is larger than the sum of its proper divisors (68382836).

91082764 is a wasteful number, since it uses less digits than its factorization.

91082764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10112 (or 10110 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 37.

The square root of 91082764 is about 9543.7290405795. The cubic root of 91082764 is about 449.9304649760.

The spelling of 91082764 in words is "ninety-one million, eighty-two thousand, seven hundred sixty-four".