91447059 has 8 divisors (see below), whose sum is σ = 133013952. Its totient is φ = 55422440.

The previous prime is 91447051. The next prime is 91447079. The reversal of 91447059 is 95074419.

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 91447059 - 2³ = 91447051 is a prime.

It is not an unprimeable number, because it can be changed into a prime (91447051) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1385529 + ... + 1385594.

It is an arithmetic number, because the mean of its divisors is an integer number (16626744).

Almost surely, 2^91447059 is an apocalyptic number.

91447059 is a deficient number, since it is larger than the sum of its proper divisors (41566893).

91447059 is a wasteful number, since it uses less digits than its factorization.

91447059 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2771137.

The product of its (nonzero) digits is 45360, while the sum is 39.

The square root of 91447059 is about 9562.7955640597. The cubic root of 91447059 is about 450.5295149470.

The spelling of 91447059 in words is "ninety-one million, four hundred forty-seven thousand, fifty-nine".