671030880 has 192 divisors, whose sum is σ = 2320436160. Its totient is φ = 161980416.

The previous prime is 671030879. The next prime is 671030881. The reversal of 671030880 is 88030176.

It is an interprime number because it is at equal distance from previous prime (671030879) and next prime (671030881).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (671030881) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 329706 + ... + 331734.

It is an arithmetic number, because the mean of its divisors is an integer number (12085605).

Almost surely, 2^671030880 is an apocalyptic number.

671030880 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 671030880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1160218080).

671030880 is an abundant number, since it is smaller than the sum of its proper divisors (1649405280).

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

671030880 is a wasteful number, since it uses less digits than its factorization.

671030880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2113 (or 2105 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 33.

The square root of 671030880 is about 25904.2637417086. The cubic root of 671030880 is about 875.4825659229.

The spelling of 671030880 in words is "six hundred seventy-one million, thirty thousand, eight hundred eighty".