9098560778 has 4 divisors (see below), whose sum is σ = 13647841170. Its totient is φ = 4549280388.

The previous prime is 9098560771. The next prime is 9098560811. The reversal of 9098560778 is 8770658909.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 6110079889 + 2988480889 = 78167^2 + 54667^2 .

It is not an unprimeable number, because it can be changed into a prime (9098560771) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2274640193 + ... + 2274640196.

Almost surely, 2^9098560778 is an apocalyptic number.

9098560778 is a deficient number, since it is larger than the sum of its proper divisors (4549280392).

9098560778 is a wasteful number, since it uses less digits than its factorization.

9098560778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4549280391.

The product of its (nonzero) digits is 7620480, while the sum is 59.

The square root of 9098560778 is about 95386.3762704088. The cubic root of 9098560778 is about 2087.6494087809.

The spelling of 9098560778 in words is "nine billion, ninety-eight million, five hundred sixty thousand, seven hundred seventy-eight".