8420027690 has 32 divisors (see below), whose sum is σ = 15256200960. Its totient is φ = 3345796800.

The previous prime is 8420027683. The next prime is 8420027747. The reversal of 8420027690 is 967200248.

It is a super-2 number, since 2×8420027690² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2226221 + ... + 2229999.

It is an arithmetic number, because the mean of its divisors is an integer number (476756280).

Almost surely, 2^8420027690 is an apocalyptic number.

8420027690 is a deficient number, since it is larger than the sum of its proper divisors (6836173270).

8420027690 is a wasteful number, since it uses less digits than its factorization.

8420027690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5198.

The product of its (nonzero) digits is 48384, while the sum is 38.

The square root of 8420027690 is about 91760.7088573317. The cubic root of 8420027690 is about 2034.4069925636.

The spelling of 8420027690 in words is "eight billion, four hundred twenty million, twenty-seven thousand, six hundred ninety".