91695447 has 12 divisors (see below), whose sum is σ = 132582840. Its totient is φ = 61068528.

The previous prime is 91695437. The next prime is 91695451. The reversal of 91695447 is 74459619.

It is not a de Polignac number, because 91695447 - 2⁴ = 91695431 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91695407) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5388 + ... + 14574.

It is an arithmetic number, because the mean of its divisors is an integer number (11048570).

Almost surely, 2^91695447 is an apocalyptic number.

91695447 is a deficient number, since it is larger than the sum of its proper divisors (40887393).

91695447 is a wasteful number, since it uses less digits than its factorization.

91695447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10302 (or 10299 counting only the distinct ones).

The product of its digits is 272160, while the sum is 45.

The square root of 91695447 is about 9575.7739634977. The cubic root of 91695447 is about 450.9370547826.

The spelling of 91695447 in words is "ninety-one million, six hundred ninety-five thousand, four hundred forty-seven".