91480875 has 32 divisors (see below), whose sum is σ = 153990720. Its totient is φ = 48224000.

The previous prime is 91480871. The next prime is 91480891. The reversal of 91480875 is 57808419.

It is not a de Polignac number, because 91480875 - 2² = 91480871 is a prime.

It is not an unprimeable number, because it can be changed into a prime (91480871) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 32005 + ... + 34745.

It is an arithmetic number, because the mean of its divisors is an integer number (4812210).

Almost surely, 2^91480875 is an apocalyptic number.

91480875 is a deficient number, since it is larger than the sum of its proper divisors (62509845).

91480875 is a wasteful number, since it uses less digits than its factorization.

91480875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2848 (or 2838 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 42.

The square root of 91480875 is about 9564.5635028474. The cubic root of 91480875 is about 450.5850415315.

The spelling of 91480875 in words is "ninety-one million, four hundred eighty thousand, eight hundred seventy-five".