91769464 has 8 divisors (see below), whose sum is σ = 172067760. Its totient is φ = 45884728.

The previous prime is 91769459. The next prime is 91769467. The reversal of 91769464 is 46496719.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91769467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5735584 + ... + 5735599.

It is an arithmetic number, because the mean of its divisors is an integer number (21508470).

Almost surely, 2^91769464 is an apocalyptic number.

It is an amenable number.

91769464 is a deficient number, since it is larger than the sum of its proper divisors (80298296).

91769464 is a wasteful number, since it uses less digits than its factorization.

91769464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11471189 (or 11471185 counting only the distinct ones).

The product of its digits is 326592, while the sum is 46.

The square root of 91769464 is about 9579.6379889848. The cubic root of 91769464 is about 451.0583549940.

The spelling of 91769464 in words is "ninety-one million, seven hundred sixty-nine thousand, four hundred sixty-four".