427655387067 has 16 divisors (see below), whose sum is σ = 577471507200. Its totient is φ = 281494345952.

The previous prime is 427655387057. The next prime is 427655387099. The reversal of 427655387067 is 760783556724.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 427655387067 - 2¹⁶ = 427655321531 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 427655387067.

It is not an unprimeable number, because it can be changed into a prime (427655387057) 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, 2789793 + ... + 2939090.

It is an arithmetic number, because the mean of its divisors is an integer number (36091969200).

Almost surely, 2^427655387067 is an apocalyptic number.

427655387067 is a deficient number, since it is larger than the sum of its proper divisors (149816120133).

427655387067 is a wasteful number, since it uses less digits than its factorization.

427655387067 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5729202.

The product of its (nonzero) digits is 59270400, while the sum is 60.

The spelling of 427655387067 in words is "four hundred twenty-seven billion, six hundred fifty-five million, three hundred eighty-seven thousand, sixty-seven".