42677655365 has 16 divisors (see below), whose sum is σ = 52644419328. Its totient is φ = 33189621696.

The previous prime is 42677655299. The next prime is 42677655367. The reversal of 42677655365 is 56355677624.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42677655365 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 42677655365.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42677655367) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 105044 + ... + 310466.

It is an arithmetic number, because the mean of its divisors is an integer number (3290276208).

Almost surely, 2^42677655365 is an apocalyptic number.

It is an amenable number.

42677655365 is a deficient number, since it is larger than the sum of its proper divisors (9966763963).

42677655365 is a wasteful number, since it uses less digits than its factorization.

42677655365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206588.

The product of its digits is 31752000, while the sum is 56.

The spelling of 42677655365 in words is "forty-two billion, six hundred seventy-seven million, six hundred fifty-five thousand, three hundred sixty-five".