677506705 has 16 divisors (see below), whose sum is σ = 847401984. Its totient is φ = 519416640.

The previous prime is 677506703. The next prime is 677506721. The reversal of 677506705 is 507605776.

It is not a de Polignac number, because 677506705 - 2¹ = 677506703 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (677506703) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5254 + ... + 37183.

It is an arithmetic number, because the mean of its divisors is an integer number (52962624).

Almost surely, 2^677506705 is an apocalyptic number.

It is an amenable number.

677506705 is a deficient number, since it is larger than the sum of its proper divisors (169895279).

677506705 is a wasteful number, since it uses less digits than its factorization.

677506705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42576.

The product of its (nonzero) digits is 308700, while the sum is 43.

The square root of 677506705 is about 26028.9589688101. The cubic root of 677506705 is about 878.2898541065.

The spelling of 677506705 in words is "six hundred seventy-seven million, five hundred six thousand, seven hundred five".