91783358954 has 16 divisors (see below), whose sum is σ = 157350930048. Its totient is φ = 39333718032.

The previous prime is 91783358923. The next prime is 91783358963. The reversal of 91783358954 is 45985338719.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 135824 + ... + 449460.

It is an arithmetic number, because the mean of its divisors is an integer number (9834433128).

Almost surely, 2^91783358954 is an apocalyptic number.

91783358954 is a deficient number, since it is larger than the sum of its proper divisors (65567571094).

91783358954 is a wasteful number, since it uses less digits than its factorization.

91783358954 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 334549.

The product of its digits is 32659200, while the sum is 62.

The spelling of 91783358954 in words is "ninety-one billion, seven hundred eighty-three million, three hundred fifty-eight thousand, nine hundred fifty-four".