676457754677 has 4 divisors (see below), whose sum is σ = 676558710156. Its totient is φ = 676356799200.

The previous prime is 676457754653. The next prime is 676457754691. The reversal of 676457754677 is 776457754676.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 181143020881 + 495314733796 = 425609^2 + 703786^2 .

It is a cyclic number.

It is not a de Polignac number, because 676457754677 - 2³⁸ = 401579847733 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 676457754677.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (676457754277) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50467688 + ... + 50481089.

It is an arithmetic number, because the mean of its divisors is an integer number (169139677539).

Almost surely, 2^676457754677 is an apocalyptic number.

It is an amenable number.

676457754677 is a deficient number, since it is larger than the sum of its proper divisors (100955479).

676457754677 is a wasteful number, since it uses less digits than its factorization.

676457754677 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100955478.

The product of its digits is 1452124800, while the sum is 71.

Subtracting 676457754677 from its reverse (776457754676), we obtain a palindrome (99999999999).

The spelling of 676457754677 in words is "six hundred seventy-six billion, four hundred fifty-seven million, seven hundred fifty-four thousand, six hundred seventy-seven".