677851009 has 8 divisors (see below), whose sum is σ = 771625152. Its totient is φ = 589435440.

The previous prime is 677851003. The next prime is 677851019. The reversal of 677851009 is 900158776.

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

It is not a de Polignac number, because 677851009 - 2³ = 677851001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (677851001) 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, 1339374 + ... + 1339879.

It is an arithmetic number, because the mean of its divisors is an integer number (96453144).

Almost surely, 2^677851009 is an apocalyptic number.

It is an amenable number.

677851009 is a deficient number, since it is larger than the sum of its proper divisors (93774143).

677851009 is a wasteful number, since it uses less digits than its factorization.

677851009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2679287.

The product of its (nonzero) digits is 105840, while the sum is 43.

The square root of 677851009 is about 26035.5719929484. The cubic root of 677851009 is about 878.4386090913.

The spelling of 677851009 in words is "six hundred seventy-seven million, eight hundred fifty-one thousand, nine".