671230077 has 32 divisors (see below), whose sum is σ = 1065984000. Its totient is φ = 375372144.

The previous prime is 671230069. The next prime is 671230093. The reversal of 671230077 is 770032176.

It is not a de Polignac number, because 671230077 - 2³ = 671230069 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (671230037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 41424 + ... + 55302.

It is an arithmetic number, because the mean of its divisors is an integer number (33312000).

Almost surely, 2^671230077 is an apocalyptic number.

It is an amenable number.

671230077 is a deficient number, since it is larger than the sum of its proper divisors (394753923).

671230077 is a wasteful number, since it uses less digits than its factorization.

671230077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13950 (or 13936 counting only the distinct ones).

The product of its (nonzero) digits is 12348, while the sum is 33.

The square root of 671230077 is about 25908.1083253872. The cubic root of 671230077 is about 875.5691869972.

The spelling of 671230077 in words is "six hundred seventy-one million, two hundred thirty thousand, seventy-seven".