671877352 has 8 divisors (see below), whose sum is σ = 1259770050. Its totient is φ = 335938672.

The previous prime is 671877317. The next prime is 671877359. The reversal of 671877352 is 253778176.

It can be written as a sum of positive squares in only one way, i.e., 473236516 + 198640836 = 21754^2 + 14094^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×671877352² = 902838352261063808, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (671877359) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41992327 + ... + 41992342.

Almost surely, 2^671877352 is an apocalyptic number.

It is an amenable number.

671877352 is a deficient number, since it is larger than the sum of its proper divisors (587892698).

671877352 is a wasteful number, since it uses less digits than its factorization.

671877352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83984675 (or 83984671 counting only the distinct ones).

The product of its digits is 493920, while the sum is 46.

The square root of 671877352 is about 25920.5970610247. The cubic root of 671877352 is about 875.8505371100.

The spelling of 671877352 in words is "six hundred seventy-one million, eight hundred seventy-seven thousand, three hundred fifty-two".