8477868451279 has 2 divisors, whose sum is σ = 8477868451280. Its totient is φ = 8477868451278.

The previous prime is 8477868451249. The next prime is 8477868451307. The reversal of 8477868451279 is 9721548687748.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 8477868451279 - 2³³ = 8469278516687 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8477868451249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4238934225639 + 4238934225640.

It is an arithmetic number, because the mean of its divisors is an integer number (4238934225640).

Almost surely, 2^{8477868451279} is an apocalyptic number.

8477868451279 is a deficient number, since it is larger than the sum of its proper divisors (1).

8477868451279 is an equidigital number, since it uses as much as digits as its factorization.

8477868451279 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1517322240, while the sum is 76.

The spelling of 8477868451279 in words is "eight trillion, four hundred seventy-seven billion, eight hundred sixty-eight million, four hundred fifty-one thousand, two hundred seventy-nine".