677455145411812 has 24 divisors (see below), whose sum is σ = 1237147282631232. Its totient is φ = 323985809373600.

The previous prime is 677455145411797. The next prime is 677455145411827. The reversal of 677455145411812 is 218114541554776.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (677455145411797) and next prime (677455145411827).

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 7 ways as a sum of consecutive naturals, for example, 162447514 + ... + 166565617.

It is an arithmetic number, because the mean of its divisors is an integer number (51547803442968).

Almost surely, 2^{677455145411812} is an apocalyptic number.

It is an amenable number.

677455145411812 is a deficient number, since it is larger than the sum of its proper divisors (559692137219420).

677455145411812 is a wasteful number, since it uses less digits than its factorization.

677455145411812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 329035539 (or 329035537 counting only the distinct ones).

The product of its digits is 37632000, while the sum is 61.

The spelling of 677455145411812 in words is "six hundred seventy-seven trillion, four hundred fifty-five billion, one hundred forty-five million, four hundred eleven thousand, eight hundred twelve".