627665465376642 has 128 divisors (see below), whose sum is σ = 1629406598289408. Its totient is φ = 156450846297600.

The previous prime is 627665465376641. The next prime is 627665465376749. The reversal of 627665465376642 is 246673564566726.

It is not an unprimeable number, because it can be changed into a prime (627665465376641) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 250248484 + ... + 252744207.

It is an arithmetic number, because the mean of its divisors is an integer number (12729739049136).

Almost surely, 2^{627665465376642} is an apocalyptic number.

627665465376642 is an abundant number, since it is smaller than the sum of its proper divisors (1001741132912766).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

627665465376642 is a wasteful number, since it uses less digits than its factorization.

627665465376642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 502992824.

The product of its digits is 10973491200, while the sum is 75.

The spelling of 627665465376642 in words is "six hundred twenty-seven trillion, six hundred sixty-five billion, four hundred sixty-five million, three hundred seventy-six thousand, six hundred forty-two".