42586677787 has 2 divisors, whose sum is σ = 42586677788. Its totient is φ = 42586677786.

The previous prime is 42586677761. The next prime is 42586677811. The reversal of 42586677787 is 78777668524.

42586677787 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 42586677787 - 2²³ = 42578289179 is a prime.

It is not a weakly prime, because it can be changed into another prime (42586674787) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21293338893 + 21293338894.

It is an arithmetic number, because the mean of its divisors is an integer number (21293338894).

Almost surely, 2^42586677787 is an apocalyptic number.

42586677787 is a deficient number, since it is larger than the sum of its proper divisors (1).

42586677787 is an equidigital number, since it uses as much as digits as its factorization.

42586677787 is an evil number, because the sum of its binary digits is even.

The product of its digits is 221276160, while the sum is 67.

The spelling of 42586677787 in words is "forty-two billion, five hundred eighty-six million, six hundred seventy-seven thousand, seven hundred eighty-seven".