1098782716 has 6 divisors (see below), whose sum is σ = 1922869760. Its totient is φ = 549391356.

The previous prime is 1098782689. The next prime is 1098782717. The reversal of 1098782716 is 6172878901.

It is a self number, because there is not a number n which added to its sum of digits gives 1098782716.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1098782717) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 137347836 + ... + 137347843.

Almost surely, 2^1098782716 is an apocalyptic number.

It is an amenable number.

1098782716 is a deficient number, since it is larger than the sum of its proper divisors (824087044).

1098782716 is a wasteful number, since it uses less digits than its factorization.

1098782716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274695683 (or 274695681 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 49.

The square root of 1098782716 is about 33147.8915769917. The cubic root of 1098782716 is about 1031.8991936769.

The spelling of 1098782716 in words is "one billion, ninety-eight million, seven hundred eighty-two thousand, seven hundred sixteen".