427697012563 has 8 divisors (see below), whose sum is σ = 442455472800. Its totient is φ = 412939238208.

The previous prime is 427697012557. The next prime is 427697012599. The reversal of 427697012563 is 365210796724.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 427697012563 - 2²¹ = 427694915411 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 427697012563.

It is not an unprimeable number, because it can be changed into a prime (427697012863) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1316023 + ... + 1608511.

It is an arithmetic number, because the mean of its divisors is an integer number (55306934100).

Almost surely, 2^427697012563 is an apocalyptic number.

427697012563 is a deficient number, since it is larger than the sum of its proper divisors (14758460237).

427697012563 is a wasteful number, since it uses less digits than its factorization.

427697012563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 342941.

The product of its (nonzero) digits is 3810240, while the sum is 52.

The spelling of 427697012563 in words is "four hundred twenty-seven billion, six hundred ninety-seven million, twelve thousand, five hundred sixty-three".