8490159770 has 16 divisors (see below), whose sum is σ = 15809263560. Its totient is φ = 3278958144.

The previous prime is 8490159761. The next prime is 8490159773. The reversal of 8490159770 is 779510948.

It can be written as a sum of positive squares in 4 ways, for example, as 6073552489 + 2416607281 = 77933^2 + 49159^2 .

It is not an unprimeable number, because it can be changed into a prime (8490159773) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14637917 + ... + 14638496.

Almost surely, 2^8490159770 is an apocalyptic number.

8490159770 is a deficient number, since it is larger than the sum of its proper divisors (7319103790).

8490159770 is a wasteful number, since it uses less digits than its factorization.

8490159770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29276449.

The product of its (nonzero) digits is 635040, while the sum is 50.

The square root of 8490159770 is about 92142.0629788589. The cubic root of 8490159770 is about 2040.0397091143.

The spelling of 8490159770 in words is "eight billion, four hundred ninety million, one hundred fifty-nine thousand, seven hundred seventy".