677889216 has 56 divisors (see below), whose sum is σ = 1992873840. Its totient is φ = 225962496.

The previous prime is 677889209. The next prime is 677889217. The reversal of 677889216 is 612988776.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (677889217) 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, 194421 + ... + 197876.

Almost surely, 2^677889216 is an apocalyptic number.

It is an amenable number.

677889216 is an abundant number, since it is smaller than the sum of its proper divisors (1314984624).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

677889216 is a wasteful number, since it uses less digits than its factorization.

677889216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 392318 (or 392302 counting only the distinct ones).

The product of its digits is 2032128, while the sum is 54.

The square root of 677889216 is about 26036.3057287319. The cubic root of 677889216 is about 878.4551131474.

The spelling of 677889216 in words is "six hundred seventy-seven million, eight hundred eighty-nine thousand, two hundred sixteen".