662887091327 has 16 divisors (see below), whose sum is σ = 693515584800. Its totient is φ = 632800156800.

The previous prime is 662887091323. The next prime is 662887091357. The reversal of 662887091327 is 723190788266.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 662887091327 - 2² = 662887091323 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (662887091323) 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, 1369577 + ... + 1789277.

It is an arithmetic number, because the mean of its divisors is an integer number (43344724050).

Almost surely, 2^662887091327 is an apocalyptic number.

662887091327 is a deficient number, since it is larger than the sum of its proper divisors (30628493473).

662887091327 is a wasteful number, since it uses less digits than its factorization.

662887091327 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 420346.

The product of its (nonzero) digits is 12192768, while the sum is 59.

The spelling of 662887091327 in words is "six hundred sixty-two billion, eight hundred eighty-seven million, ninety-one thousand, three hundred twenty-seven".