677260816058 has 8 divisors (see below), whose sum is σ = 1015946451828. Its totient is φ = 338611998784.

The previous prime is 677260816031. The next prime is 677260816079. The reversal of 677260816058 is 850618062776.

It can be written as a sum of positive squares in 2 ways, for example, as 671126323729 + 6134492329 = 819223^2 + 78323^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×677260816058² (a number of 24 digits) contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 677260815994 and 677260816012.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9158591 + ... + 9232242.

Almost surely, 2^677260816058 is an apocalyptic number.

677260816058 is a deficient number, since it is larger than the sum of its proper divisors (338685635770).

677260816058 is a wasteful number, since it uses less digits than its factorization.

677260816058 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18409248.

The product of its (nonzero) digits is 6773760, while the sum is 56.

The spelling of 677260816058 in words is "six hundred seventy-seven billion, two hundred sixty million, eight hundred sixteen thousand, fifty-eight".