677937859147 has 2 divisors, whose sum is σ = 677937859148. Its totient is φ = 677937859146.

The previous prime is 677937859097. The next prime is 677937859219. The reversal of 677937859147 is 741958739776.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 677937859147 - 2⁷ = 677937859019 is a prime.

It is a super-2 number, since 2×677937859147² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 677937859147.

It is not a weakly prime, because it can be changed into another prime (677937859447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 338968929573 + 338968929574.

It is an arithmetic number, because the mean of its divisors is an integer number (338968929574).

Almost surely, 2^677937859147 is an apocalyptic number.

677937859147 is a deficient number, since it is larger than the sum of its proper divisors (1).

677937859147 is an equidigital number, since it uses as much as digits as its factorization.

677937859147 is an evil number, because the sum of its binary digits is even.

The product of its digits is 560105280, while the sum is 73.

The spelling of 677937859147 in words is "six hundred seventy-seven billion, nine hundred thirty-seven million, eight hundred fifty-nine thousand, one hundred forty-seven".