671880487200 has 288 divisors, whose sum is σ = 2493742640256. Its totient is φ = 155657256960.

The previous prime is 671880487141. The next prime is 671880487247. The reversal of 671880487200 is 2784088176.

It is a hoax number, since the sum of its digits (51) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 102972 + ... + 1163771.

It is an arithmetic number, because the mean of its divisors is an integer number (8658828612).

Almost surely, 2^671880487200 is an apocalyptic number.

671880487200 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 671880487200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1246871320128).

671880487200 is an abundant number, since it is smaller than the sum of its proper divisors (1821862153056).

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

671880487200 is a wasteful number, since it uses less digits than its factorization.

671880487200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1266796 (or 1266783 counting only the distinct ones).

The product of its (nonzero) digits is 1204224, while the sum is 51.

The spelling of 671880487200 in words is "six hundred seventy-one billion, eight hundred eighty million, four hundred eighty-seven thousand, two hundred".