677243702543051 has 24 divisors (see below), whose sum is σ = 822069025391520. Its totient is φ = 555254264138112.

The previous prime is 677243702543027. The next prime is 677243702543069. The reversal of 677243702543051 is 150345207342776.

It is not a de Polignac number, because 677243702543051 - 2⁴² = 672845656031947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (677243702543251) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 777114485 + ... + 777985481.

It is an arithmetic number, because the mean of its divisors is an integer number (34252876057980).

Almost surely, 2^{677243702543051} is an apocalyptic number.

677243702543051 is a deficient number, since it is larger than the sum of its proper divisors (144825322848469).

677243702543051 is a wasteful number, since it uses less digits than its factorization.

677243702543051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1560963 (or 1560956 counting only the distinct ones).

The product of its (nonzero) digits is 29635200, while the sum is 56.

The spelling of 677243702543051 in words is "six hundred seventy-seven trillion, two hundred forty-three billion, seven hundred two million, five hundred forty-three thousand, fifty-one".