8502389957 has 16 divisors (see below), whose sum is σ = 8819773248. Its totient is φ = 8191169280.

The previous prime is 8502389953. The next prime is 8502389989. The reversal of 8502389957 is 7599832058.

It is a cyclic number.

It is not a de Polignac number, because 8502389957 - 2² = 8502389953 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8502389953) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1021103 + ... + 1029395.

It is an arithmetic number, because the mean of its divisors is an integer number (551235828).

Almost surely, 2^8502389957 is an apocalyptic number.

It is an amenable number.

8502389957 is a deficient number, since it is larger than the sum of its proper divisors (317383291).

8502389957 is a wasteful number, since it uses less digits than its factorization.

8502389957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8660.

The product of its (nonzero) digits is 5443200, while the sum is 56.

The square root of 8502389957 is about 92208.4050236203. The cubic root of 8502389957 is about 2041.0188071558.

The spelling of 8502389957 in words is "eight billion, five hundred two million, three hundred eighty-nine thousand, nine hundred fifty-seven".