1877267494979 has 2 divisors, whose sum is σ = 1877267494980. Its totient is φ = 1877267494978.

The previous prime is 1877267494969. The next prime is 1877267495027. The reversal of 1877267494979 is 9794947627781.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1877267494979 is a prime.

It is not a weakly prime, because it can be changed into another prime (1877267494969) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 938633747489 + 938633747490.

It is an arithmetic number, because the mean of its divisors is an integer number (938633747490).

Almost surely, 2^{1877267494979} is an apocalyptic number.

1877267494979 is a deficient number, since it is larger than the sum of its proper divisors (1).

1877267494979 is an equidigital number, since it uses as much as digits as its factorization.

1877267494979 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2688505344, while the sum is 80.

The spelling of 1877267494979 in words is "one trillion, eight hundred seventy-seven billion, two hundred sixty-seven million, four hundred ninety-four thousand, nine hundred seventy-nine".