8709021826690 has 32 divisors (see below), whose sum is σ = 16598539056384. Its totient is φ = 3278657376000.

The previous prime is 8709021826669. The next prime is 8709021826699. The reversal of 8709021826690 is 966281209078.

It is a super-2 number, since 2×8709021826690² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (8709021826699) 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, 22374717 + ... + 22760623.

It is an arithmetic number, because the mean of its divisors is an integer number (518704345512).

Almost surely, 2^{8709021826690} is an apocalyptic number.

8709021826690 is a deficient number, since it is larger than the sum of its proper divisors (7889517229694).

8709021826690 is a wasteful number, since it uses less digits than its factorization.

8709021826690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 518682.

The product of its (nonzero) digits is 5225472, while the sum is 58.

The spelling of 8709021826690 in words is "eight trillion, seven hundred nine billion, twenty-one million, eight hundred twenty-six thousand, six hundred ninety".