677997206 has 16 divisors (see below), whose sum is σ = 1053280800. Its totient is φ = 326930688.

The previous prime is 677997193. The next prime is 677997217. The reversal of 677997206 is 602799776.

It is a super-2 number, since 2×677997206² = 919360422687612872, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47591 + ... + 60173.

It is an arithmetic number, because the mean of its divisors is an integer number (65830050).

Almost surely, 2^677997206 is an apocalyptic number.

677997206 is a deficient number, since it is larger than the sum of its proper divisors (375283594).

677997206 is a wasteful number, since it uses less digits than its factorization.

677997206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13543.

The product of its (nonzero) digits is 2000376, while the sum is 53.

The square root of 677997206 is about 26038.3794810660. The cubic root of 677997206 is about 878.5017576081.

The spelling of 677997206 in words is "six hundred seventy-seven million, nine hundred ninety-seven thousand, two hundred six".