677018628452 has 12 divisors (see below), whose sum is σ = 1185706055856. Its totient is φ = 338245469640.

The previous prime is 677018628373. The next prime is 677018628491. The reversal of 677018628452 is 254826810776.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65955374 + ... + 65965637.

It is an arithmetic number, because the mean of its divisors is an integer number (98808837988).

Almost surely, 2^677018628452 is an apocalyptic number.

It is an amenable number.

677018628452 is a deficient number, since it is larger than the sum of its proper divisors (508687427404).

677018628452 is a wasteful number, since it uses less digits than its factorization.

677018628452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131922298 (or 131922296 counting only the distinct ones).

The product of its (nonzero) digits is 9031680, while the sum is 56.

The spelling of 677018628452 in words is "six hundred seventy-seven billion, eighteen million, six hundred twenty-eight thousand, four hundred fifty-two".