677066197 has 8 divisors (see below), whose sum is σ = 713252160. Its totient is φ = 640935360.

The previous prime is 677066179. The next prime is 677066213. The reversal of 677066197 is 791660776.

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

It is not a de Polignac number, because 677066197 - 2²³ = 668677589 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 677066197.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (677063197) 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, 12768 + ... + 38950.

It is an arithmetic number, because the mean of its divisors is an integer number (89156520).

Almost surely, 2^677066197 is an apocalyptic number.

It is an amenable number.

677066197 is a deficient number, since it is larger than the sum of its proper divisors (36185963).

677066197 is a wasteful number, since it uses less digits than its factorization.

677066197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27563.

The product of its (nonzero) digits is 666792, while the sum is 49.

The square root of 677066197 is about 26020.4957101128. The cubic root of 677066197 is about 878.0994611131.

The spelling of 677066197 in words is "six hundred seventy-seven million, sixty-six thousand, one hundred ninety-seven".