677670729331 has 8 divisors (see below), whose sum is σ = 682173074880. Its totient is φ = 673172589672.

The previous prime is 677670729221. The next prime is 677670729347. The reversal of 677670729331 is 133927076776.

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

It is a cyclic number.

It is not a de Polignac number, because 677670729331 - 2³⁵ = 643310990963 is a prime.

It is a super-2 number, since 2×677670729331² (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 (677670729361) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 727825 + ... + 1372978.

It is an arithmetic number, because the mean of its divisors is an integer number (85271634360).

Almost surely, 2^677670729331 is an apocalyptic number.

677670729331 is a deficient number, since it is larger than the sum of its proper divisors (4502345549).

677670729331 is a wasteful number, since it uses less digits than its factorization.

677670729331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2102945.

The product of its (nonzero) digits is 14002632, while the sum is 58.

The spelling of 677670729331 in words is "six hundred seventy-seven billion, six hundred seventy million, seven hundred twenty-nine thousand, three hundred thirty-one".