677061723143 has 4 divisors (see below), whose sum is σ = 729143394168. Its totient is φ = 624980052120.

The previous prime is 677061723137. The next prime is 677061723223. The reversal of 677061723143 is 341327160776.

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

It is a cyclic number.

It is not a de Polignac number, because 677061723143 - 2¹⁶ = 677061657607 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (677061723103) 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, 26040835493 + ... + 26040835518.

It is an arithmetic number, because the mean of its divisors is an integer number (182285848542).

Almost surely, 2^677061723143 is an apocalyptic number.

677061723143 is a deficient number, since it is larger than the sum of its proper divisors (52081671025).

677061723143 is a wasteful number, since it uses less digits than its factorization.

677061723143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52081671024.

The product of its (nonzero) digits is 889056, while the sum is 47.

The spelling of 677061723143 in words is "six hundred seventy-seven billion, sixty-one million, seven hundred twenty-three thousand, one hundred forty-three".