8077725 has 30 divisors (see below), whose sum is σ = 14966490. Its totient is φ = 4307040.

The previous prime is 8077723. The next prime is 8077753. The reversal of 8077725 is 5277708.

It can be written as a sum of positive squares in 3 ways, for example, as 443556 + 7634169 = 666^2 + 2763^2 .

It is not a de Polignac number, because 8077725 - 2¹ = 8077723 is a prime.

8077725 is a lucky number.

It is a nialpdrome in base 15.

It is a self number, because there is not a number n which added to its sum of digits gives 8077725.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8077723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 31 + ... + 4019.

It is an arithmetic number, because the mean of its divisors is an integer number (498883).

Almost surely, 2^8077725 is an apocalyptic number.

It is an amenable number.

8077725 is a deficient number, since it is larger than the sum of its proper divisors (6888765).

8077725 is a wasteful number, since it uses less digits than its factorization.

8077725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4011 (or 3997 counting only the distinct ones).

The product of its (nonzero) digits is 27440, while the sum is 36.

The square root of 8077725 is about 2842.1338814349. The cubic root of 8077725 is about 200.6456219522.

The spelling of 8077725 in words is "eight million, seventy-seven thousand, seven hundred twenty-five".