677455145411811 has 32 divisors (see below), whose sum is σ = 1030958920353600. Its totient is φ = 391998166462464.

The previous prime is 677455145411797. The next prime is 677455145411827. The reversal of 677455145411811 is 118114541554776.

It is a happy number.

It is not a de Polignac number, because 677455145411811 - 2¹⁹ = 677455144887523 is a prime.

It is not an unprimeable number, because it can be changed into a prime (677455145411851) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 486341040 + ... + 487732013.

It is an arithmetic number, because the mean of its divisors is an integer number (32217466261050).

Almost surely, 2^{677455145411811} is an apocalyptic number.

677455145411811 is a deficient number, since it is larger than the sum of its proper divisors (353503774941789).

677455145411811 is a wasteful number, since it uses less digits than its factorization.

677455145411811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 974074135.

The product of its digits is 18816000, while the sum is 60.

The spelling of 677455145411811 in words is "six hundred seventy-seven trillion, four hundred fifty-five billion, one hundred forty-five million, four hundred eleven thousand, eight hundred eleven".