8490205770 has 16 divisors (see below), whose sum is σ = 20376493920. Its totient is φ = 2264054864.

The previous prime is 8490205723. The next prime is 8490205813. The reversal of 8490205770 is 775020948.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 141503400 + ... + 141503459.

It is an arithmetic number, because the mean of its divisors is an integer number (1273530870).

Almost surely, 2^8490205770 is an apocalyptic number.

8490205770 is an abundant number, since it is smaller than the sum of its proper divisors (11886288150).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8490205770 is a wasteful number, since it uses less digits than its factorization.

8490205770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 283006869.

The product of its (nonzero) digits is 141120, while the sum is 42.

The square root of 8490205770 is about 92142.3125930753. The cubic root of 8490205770 is about 2040.0433934445.

The spelling of 8490205770 in words is "eight billion, four hundred ninety million, two hundred five thousand, seven hundred seventy".