91944352675 has 24 divisors (see below), whose sum is σ = 130318444800. Its totient is φ = 63037800480.

The previous prime is 91944352649. The next prime is 91944352679. The reversal of 91944352675 is 57625344919.

It is not a de Polignac number, because 91944352675 - 2¹¹ = 91944350627 is a prime.

It is not an unprimeable number, because it can be changed into a prime (91944352679) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1201716 + ... + 1275934.

It is an arithmetic number, because the mean of its divisors is an integer number (5429935200).

Almost surely, 2^91944352675 is an apocalyptic number.

91944352675 is a deficient number, since it is larger than the sum of its proper divisors (38374092125).

91944352675 is a wasteful number, since it uses less digits than its factorization.

91944352675 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81315 (or 81310 counting only the distinct ones).

The product of its digits is 8164800, while the sum is 55.

The spelling of 91944352675 in words is "ninety-one billion, nine hundred forty-four million, three hundred fifty-two thousand, six hundred seventy-five".