8917091479 has 2 divisors, whose sum is σ = 8917091480. Its totient is φ = 8917091478.

The previous prime is 8917091461. The next prime is 8917091539. The reversal of 8917091479 is 9741907198.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8917091479 - 2⁹ = 8917090967 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8917091179) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4458545739 + 4458545740.

It is an arithmetic number, because the mean of its divisors is an integer number (4458545740).

Almost surely, 2^8917091479 is an apocalyptic number.

8917091479 is a deficient number, since it is larger than the sum of its proper divisors (1).

8917091479 is an equidigital number, since it uses as much as digits as its factorization.

8917091479 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1143072, while the sum is 55.

The square root of 8917091479 is about 94430.3525303173. The cubic root of 8917091479 is about 2073.6768245127.

The spelling of 8917091479 in words is "eight billion, nine hundred seventeen million, ninety-one thousand, four hundred seventy-nine".