677294705 has 16 divisors (see below), whose sum is σ = 861172560. Its totient is φ = 509601792.

The previous prime is 677294701. The next prime is 677294711. The reversal of 677294705 is 507492776.

677294705 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 35331136 + 641963569 = 5944^2 + 25337^2 .

It is not a de Polignac number, because 677294705 - 2² = 677294701 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 677294705.

It is not an unprimeable number, because it can be changed into a prime (677294701) 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, 235637 + ... + 238493.

It is an arithmetic number, because the mean of its divisors is an integer number (53823285).

Almost surely, 2^677294705 is an apocalyptic number.

It is an amenable number.

677294705 is a deficient number, since it is larger than the sum of its proper divisors (183877855).

677294705 is a wasteful number, since it uses less digits than its factorization.

677294705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5668.

The product of its (nonzero) digits is 740880, while the sum is 47.

The square root of 677294705 is about 26024.8862629599. The cubic root of 677294705 is about 878.1982353952.

The spelling of 677294705 in words is "six hundred seventy-seven million, two hundred ninety-four thousand, seven hundred five".