91828737365 has 8 divisors (see below), whose sum is σ = 113994294840. Its totient is φ = 70929783232.

The previous prime is 91828737353. The next prime is 91828737367. The reversal of 91828737365 is 56373782819.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 5463870724 + 86364866641 = 73918^2 + 293879^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 91828737365 - 2²⁸ = 91560301909 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91828737367) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 316650674 + ... + 316650963.

It is an arithmetic number, because the mean of its divisors is an integer number (14249286855).

Almost surely, 2^91828737365 is an apocalyptic number.

It is an amenable number.

91828737365 is a deficient number, since it is larger than the sum of its proper divisors (22165557475).

91828737365 is a wasteful number, since it uses less digits than its factorization.

91828737365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 633301671.

The product of its digits is 15240960, while the sum is 59.

The spelling of 91828737365 in words is "ninety-one billion, eight hundred twenty-eight million, seven hundred thirty-seven thousand, three hundred sixty-five".