8704085501 has 2 divisors, whose sum is σ = 8704085502. Its totient is φ = 8704085500.

The previous prime is 8704085483. The next prime is 8704085513. The reversal of 8704085501 is 1055804078.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7161559876 + 1542525625 = 84626^2 + 39275^2 .

It is a cyclic number.

It is not a de Polignac number, because 8704085501 - 2¹⁴ = 8704069117 is a prime.

It is a super-2 number, since 2×8704085501² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8704085521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4352042750 + 4352042751.

It is an arithmetic number, because the mean of its divisors is an integer number (4352042751).

Almost surely, 2^8704085501 is an apocalyptic number.

It is an amenable number.

8704085501 is a deficient number, since it is larger than the sum of its proper divisors (1).

8704085501 is an equidigital number, since it uses as much as digits as its factorization.

8704085501 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 44800, while the sum is 38.

The square root of 8704085501 is about 93295.6885445410. The cubic root of 8704085501 is about 2057.0320080176.

Adding to 8704085501 its reverse (1055804078), we get a palindrome (9759889579).

The spelling of 8704085501 in words is "eight billion, seven hundred four million, eighty-five thousand, five hundred one".