671920298255 has 8 divisors (see below), whose sum is σ = 806852500224. Its totient is φ = 537170810400.

The previous prime is 671920298251. The next prime is 671920298263. The reversal of 671920298255 is 552892029176.

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

It is not a de Polignac number, because 671920298255 - 2² = 671920298251 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 671920298255.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (671920298251) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45670436 + ... + 45685145.

It is an arithmetic number, because the mean of its divisors is an integer number (100856562528).

Almost surely, 2^671920298255 is an apocalyptic number.

671920298255 is a deficient number, since it is larger than the sum of its proper divisors (134932201969).

671920298255 is a wasteful number, since it uses less digits than its factorization.

671920298255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91357057.

The product of its (nonzero) digits is 5443200, while the sum is 56.

The spelling of 671920298255 in words is "six hundred seventy-one billion, nine hundred twenty million, two hundred ninety-eight thousand, two hundred fifty-five".