8477589949 has 2 divisors, whose sum is σ = 8477589950. Its totient is φ = 8477589948.

The previous prime is 8477589919. The next prime is 8477589983. The reversal of 8477589949 is 9499857748.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7183749049 + 1293840900 = 84757^2 + 35970^2 .

It is a cyclic number.

It is not a de Polignac number, because 8477589949 - 2¹⁵ = 8477557181 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8477589919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4238794974 + 4238794975.

It is an arithmetic number, because the mean of its divisors is an integer number (4238794975).

Almost surely, 2^8477589949 is an apocalyptic number.

It is an amenable number.

8477589949 is a deficient number, since it is larger than the sum of its proper divisors (1).

8477589949 is an equidigital number, since it uses as much as digits as its factorization.

8477589949 is an evil number, because the sum of its binary digits is even.

The product of its digits is 182891520, while the sum is 70.

The square root of 8477589949 is about 92073.8287951576. The cubic root of 8477589949 is about 2039.0324410919.

It can be divided in two parts, 84775 and 89949, that added together give a square (174724 = 418²).

The spelling of 8477589949 in words is "eight billion, four hundred seventy-seven million, five hundred eighty-nine thousand, nine hundred forty-nine".