677933263841 has 4 divisors (see below), whose sum is σ = 688051670832. Its totient is φ = 667814856852.

The previous prime is 677933263807. The next prime is 677933263897. The reversal of 677933263841 is 148362339776.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-677933263841 is a prime.

It is a super-2 number, since 2×677933263841² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (677933263541) 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, 5059203395 + ... + 5059203528.

It is an arithmetic number, because the mean of its divisors is an integer number (172012917708).

Almost surely, 2^677933263841 is an apocalyptic number.

It is an amenable number.

677933263841 is a deficient number, since it is larger than the sum of its proper divisors (10118406991).

677933263841 is a wasteful number, since it uses less digits than its factorization.

677933263841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10118406990.

The product of its digits is 27433728, while the sum is 59.

The spelling of 677933263841 in words is "six hundred seventy-seven billion, nine hundred thirty-three million, two hundred sixty-three thousand, eight hundred forty-one".