8757020725 has 6 divisors (see below), whose sum is σ = 10858705730. Its totient is φ = 7005616560.

The previous prime is 8757020719. The next prime is 8757020743. The reversal of 8757020725 is 5270207578.

It can be written as a sum of positive squares in 3 ways, for example, as 84382596 + 8672638129 = 9186^2 + 93127^2 .

It is not a de Polignac number, because 8757020725 - 2⁵ = 8757020693 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 175140390 + ... + 175140439.

Almost surely, 2^8757020725 is an apocalyptic number.

It is an amenable number.

8757020725 is a deficient number, since it is larger than the sum of its proper divisors (2101685005).

8757020725 is a wasteful number, since it uses less digits than its factorization.

8757020725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 350280839 (or 350280834 counting only the distinct ones).

The product of its (nonzero) digits is 274400, while the sum is 43.

The square root of 8757020725 is about 93578.9544983272. The cubic root of 8757020725 is about 2061.1936341995.

The spelling of 8757020725 in words is "eight billion, seven hundred fifty-seven million, twenty thousand, seven hundred twenty-five".