677990226 has 32 divisors (see below), whose sum is σ = 1437143040. Its totient is φ = 212495616.

The previous prime is 677990197. The next prime is 677990237. The reversal of 677990226 is 622099776.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 127860 + ... + 133056.

It is an arithmetic number, because the mean of its divisors is an integer number (44910720).

Almost surely, 2^677990226 is an apocalyptic number.

677990226 is an abundant number, since it is smaller than the sum of its proper divisors (759152814).

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

677990226 is a wasteful number, since it uses less digits than its factorization.

677990226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6498.

The product of its (nonzero) digits is 571536, while the sum is 48.

The square root of 677990226 is about 26038.2454478024. The cubic root of 677990226 is about 878.4987428645.

The spelling of 677990226 in words is "six hundred seventy-seven million, nine hundred ninety thousand, two hundred twenty-six".