40877712277 has 2 divisors, whose sum is σ = 40877712278. Its totient is φ = 40877712276.

The previous prime is 40877712269. The next prime is 40877712299. The reversal of 40877712277 is 77221777804.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 35298518641 + 5579193636 = 187879^2 + 74694^2 .

It is a cyclic number.

It is not a de Polignac number, because 40877712277 - 2³ = 40877712269 is a prime.

It is a super-2 number, since 2×40877712277² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40877712257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20438856138 + 20438856139.

It is an arithmetic number, because the mean of its divisors is an integer number (20438856139).

Almost surely, 2^40877712277 is an apocalyptic number.

It is an amenable number.

40877712277 is a deficient number, since it is larger than the sum of its proper divisors (1).

40877712277 is an equidigital number, since it uses as much as digits as its factorization.

40877712277 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2151296, while the sum is 52.

The spelling of 40877712277 in words is "forty billion, eight hundred seventy-seven million, seven hundred twelve thousand, two hundred seventy-seven".