8377614649 has 2 divisors, whose sum is σ = 8377614650. Its totient is φ = 8377614648.

The previous prime is 8377614643. The next prime is 8377614677. The reversal of 8377614649 is 9464167738.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6374425600 + 2003189049 = 79840^2 + 44757^2 .

It is a cyclic number.

It is not a de Polignac number, because 8377614649 - 2⁷ = 8377614521 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 8377614649.

It is not a weakly prime, because it can be changed into another prime (8377614643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4188807324 + 4188807325.

It is an arithmetic number, because the mean of its divisors is an integer number (4188807325).

Almost surely, 2^8377614649 is an apocalyptic number.

It is an amenable number.

8377614649 is a deficient number, since it is larger than the sum of its proper divisors (1).

8377614649 is an equidigital number, since it uses as much as digits as its factorization.

8377614649 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6096384, while the sum is 55.

The square root of 8377614649 is about 91529.3103273481. The cubic root of 8377614649 is about 2030.9853620187.

The spelling of 8377614649 in words is "eight billion, three hundred seventy-seven million, six hundred fourteen thousand, six hundred forty-nine".