677100485148145 has 16 divisors (see below), whose sum is σ = 820483254447120. Its totient is φ = 536378101818624.

The previous prime is 677100485148133. The next prime is 677100485148149. The reversal of 677100485148145 is 541841584001776.

It can be written as a sum of positive squares in 8 ways, for example, as 1279405307664 + 675821079840481 = 1131108^2 + 25996559^2 .

It is a cyclic number.

It is not a de Polignac number, because 677100485148145 - 2¹¹ = 677100485146097 is a prime.

It is not an unprimeable number, because it can be changed into a prime (677100485148149) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 384237534 + ... + 385995703.

It is an arithmetic number, because the mean of its divisors is an integer number (51280203402945).

Almost surely, 2^{677100485148145} is an apocalyptic number.

It is an amenable number.

677100485148145 is a deficient number, since it is larger than the sum of its proper divisors (143382769298975).

677100485148145 is a wasteful number, since it uses less digits than its factorization.

677100485148145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 770234964.

The product of its (nonzero) digits is 30105600, while the sum is 61.

The spelling of 677100485148145 in words is "six hundred seventy-seven trillion, one hundred billion, four hundred eighty-five million, one hundred forty-eight thousand, one hundred forty-five".