91079127 has 16 divisors (see below), whose sum is σ = 135080160. Its totient is φ = 60652800.

The previous prime is 91079113. The next prime is 91079143. The reversal of 91079127 is 72197019.

It is not a de Polignac number, because 91079127 - 2¹² = 91075031 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 91079091 and 91079100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91079167) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42727 + ... + 44807.

It is an arithmetic number, because the mean of its divisors is an integer number (8442510).

Almost surely, 2^91079127 is an apocalyptic number.

91079127 is a deficient number, since it is larger than the sum of its proper divisors (44001033).

91079127 is a wasteful number, since it uses less digits than its factorization.

91079127 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3711 (or 3705 counting only the distinct ones).

The product of its (nonzero) digits is 7938, while the sum is 36.

The square root of 91079127 is about 9543.5384947094. The cubic root of 91079127 is about 449.9244762144.

The spelling of 91079127 in words is "ninety-one million, seventy-nine thousand, one hundred twenty-seven".