42877661467 has 2 divisors, whose sum is σ = 42877661468. Its totient is φ = 42877661466.

The previous prime is 42877661441. The next prime is 42877661509. The reversal of 42877661467 is 76416677824.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42877661467 - 2⁷ = 42877661339 is a prime.

It is not a weakly prime, because it can be changed into another prime (42877361467) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21438830733 + 21438830734.

It is an arithmetic number, because the mean of its divisors is an integer number (21438830734).

Almost surely, 2^42877661467 is an apocalyptic number.

42877661467 is a deficient number, since it is larger than the sum of its proper divisors (1).

42877661467 is an equidigital number, since it uses as much as digits as its factorization.

42877661467 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18966528, while the sum is 58.

The spelling of 42877661467 in words is "forty-two billion, eight hundred seventy-seven million, six hundred sixty-one thousand, four hundred sixty-seven".