9085387770 has 24 divisors (see below), whose sum is σ = 23622008436. Its totient is φ = 2422770048.

The previous prime is 9085387769. The next prime is 9085387807. The reversal of 9085387770 is 777835809.

It can be written as a sum of positive squares in 2 ways, for example, as 8766015129 + 319372641 = 93627^2 + 17871^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 50474287 + ... + 50474466.

Almost surely, 2^9085387770 is an apocalyptic number.

9085387770 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

9085387770 is an abundant number, since it is smaller than the sum of its proper divisors (14536620666).

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

9085387770 is a wasteful number, since it uses less digits than its factorization.

9085387770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100948766 (or 100948763 counting only the distinct ones).

The product of its (nonzero) digits is 2963520, while the sum is 54.

The square root of 9085387770 is about 95317.3004758318. The cubic root of 9085387770 is about 2086.6414140137.

The spelling of 9085387770 in words is "nine billion, eighty-five million, three hundred eighty-seven thousand, seven hundred seventy".