677481005 has 8 divisors (see below), whose sum is σ = 855765600. Its totient is φ = 513459216.

The previous prime is 677481001. The next prime is 677481017. The reversal of 677481005 is 500184776.

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 677481005 - 2² = 677481001 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 677481005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (677481001) 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, 3565595 + ... + 3565784.

It is an arithmetic number, because the mean of its divisors is an integer number (106970700).

Almost surely, 2^677481005 is an apocalyptic number.

It is an amenable number.

677481005 is a deficient number, since it is larger than the sum of its proper divisors (178284595).

677481005 is a wasteful number, since it uses less digits than its factorization.

677481005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7131403.

The product of its (nonzero) digits is 47040, while the sum is 38.

The square root of 677481005 is about 26028.4652832241. The cubic root of 677481005 is about 878.2787485167.

The spelling of 677481005 in words is "six hundred seventy-seven million, four hundred eighty-one thousand, five".