91048867 has 8 divisors (see below), whose sum is σ = 112060256. Its totient is φ = 72038592.

The previous prime is 91048861. The next prime is 91048873. The reversal of 91048867 is 76884019.

It is an interprime number because it is at equal distance from previous prime (91048861) and next prime (91048873).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-91048867 is a prime.

It is not an unprimeable number, because it can be changed into a prime (91048861) 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, 500178 + ... + 500359.

It is an arithmetic number, because the mean of its divisors is an integer number (14007532).

Almost surely, 2^91048867 is an apocalyptic number.

91048867 is a deficient number, since it is larger than the sum of its proper divisors (21011389).

91048867 is a wasteful number, since it uses less digits than its factorization.

91048867 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1000557.

The product of its (nonzero) digits is 96768, while the sum is 43.

The square root of 91048867 is about 9541.9529971594. The cubic root of 91048867 is about 449.8746432719.

It can be divided in two parts, 9104 and 8867, that added together give a palindrome (17971).

The spelling of 91048867 in words is "ninety-one million, forty-eight thousand, eight hundred sixty-seven".