671108077 has 8 divisors (see below), whose sum is σ = 675160640. Its totient is φ = 667064160.

The previous prime is 671108071. The next prime is 671108089. The reversal of 671108077 is 770801176.

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

It is a cyclic number.

It is not a de Polignac number, because 671108077 - 2²⁷ = 536890349 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (671108071) 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, 216424 + ... + 219502.

It is an arithmetic number, because the mean of its divisors is an integer number (84395080).

Almost surely, 2^671108077 is an apocalyptic number.

It is an amenable number.

671108077 is a deficient number, since it is larger than the sum of its proper divisors (4052563).

671108077 is a wasteful number, since it uses less digits than its factorization.

671108077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4323.

The product of its (nonzero) digits is 16464, while the sum is 37.

The square root of 671108077 is about 25905.7537431359. The cubic root of 671108077 is about 875.5161371728.

The spelling of 671108077 in words is "six hundred seventy-one million, one hundred eight thousand, seventy-seven".