8899487479 has 2 divisors, whose sum is σ = 8899487480. Its totient is φ = 8899487478.

The previous prime is 8899487423. The next prime is 8899487483. The reversal of 8899487479 is 9747849988.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 8899487479 - 2²⁵ = 8865933047 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8899482479) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4449743739 + 4449743740.

It is an arithmetic number, because the mean of its divisors is an integer number (4449743740).

Almost surely, 2^8899487479 is an apocalyptic number.

8899487479 is a deficient number, since it is larger than the sum of its proper divisors (1).

8899487479 is an equidigital number, since it uses as much as digits as its factorization.

8899487479 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 292626432, while the sum is 73.

The square root of 8899487479 is about 94337.0949255912. The cubic root of 8899487479 is about 2072.3113173909.

The spelling of 8899487479 in words is "eight billion, eight hundred ninety-nine million, four hundred eighty-seven thousand, four hundred seventy-nine".