42377156671 has 2 divisors, whose sum is σ = 42377156672. Its totient is φ = 42377156670.

The previous prime is 42377156659. The next prime is 42377156713. The reversal of 42377156671 is 17665177324.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42377156671 - 2⁵ = 42377156639 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42377156611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21188578335 + 21188578336.

It is an arithmetic number, because the mean of its divisors is an integer number (21188578336).

Almost surely, 2^42377156671 is an apocalyptic number.

42377156671 is a deficient number, since it is larger than the sum of its proper divisors (1).

42377156671 is an equidigital number, since it uses as much as digits as its factorization.

42377156671 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1481760, while the sum is 49.

The spelling of 42377156671 in words is "forty-two billion, three hundred seventy-seven million, one hundred fifty-six thousand, six hundred seventy-one".