8685489746590 has 32 divisors (see below), whose sum is σ = 16077728400480. Its totient is φ = 3376788514944.

The previous prime is 8685489746561. The next prime is 8685489746597. The reversal of 8685489746590 is 956479845868.

It is a self number, because there is not a number n which added to its sum of digits gives 8685489746590.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8685489746597) 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, 76521405 + ... + 76634824.

It is an arithmetic number, because the mean of its divisors is an integer number (502429012515).

Almost surely, 2^{8685489746590} is an apocalyptic number.

8685489746590 is a deficient number, since it is larger than the sum of its proper divisors (7392238653890).

8685489746590 is a wasteful number, since it uses less digits than its factorization.

8685489746590 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153156396.

The product of its (nonzero) digits is 4180377600, while the sum is 79.

The spelling of 8685489746590 in words is "eight trillion, six hundred eighty-five billion, four hundred eighty-nine million, seven hundred forty-six thousand, five hundred ninety".