91280467 has 8 divisors (see below), whose sum is σ = 92507472. Its totient is φ = 90060000.

The previous prime is 91280459. The next prime is 91280507. The reversal of 91280467 is 76408219.

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 91280467 - 2³ = 91280459 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (91289467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30592 + ... + 33442.

It is an arithmetic number, because the mean of its divisors is an integer number (11563434).

Almost surely, 2^91280467 is an apocalyptic number.

91280467 is a deficient number, since it is larger than the sum of its proper divisors (1227005).

91280467 is a wasteful number, since it uses less digits than its factorization.

91280467 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3269.

The product of its (nonzero) digits is 24192, while the sum is 37.

The square root of 91280467 is about 9554.0811698457. The cubic root of 91280467 is about 450.2557673587.

The spelling of 91280467 in words is "ninety-one million, two hundred eighty thousand, four hundred sixty-seven".