1065979798 has 32 divisors (see below), whose sum is σ = 1825649280. Its totient is φ = 462443520.

The previous prime is 1065979793. The next prime is 1065979841. The reversal of 1065979798 is 8979795601.

It is a super-2 number, since 2×1065979798² = 2272625859488241608, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1065979793) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 568803 + ... + 570673.

It is an arithmetic number, because the mean of its divisors is an integer number (57051540).

Almost surely, 2^1065979798 is an apocalyptic number.

1065979798 is a deficient number, since it is larger than the sum of its proper divisors (759669482).

1065979798 is a wasteful number, since it uses less digits than its factorization.

1065979798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3192.

The product of its (nonzero) digits is 8573040, while the sum is 61.

The square root of 1065979798 is about 32649.3460577697. The cubic root of 1065979798 is about 1021.5265486254.

The spelling of 1065979798 in words is "one billion, sixty-five million, nine hundred seventy-nine thousand, seven hundred ninety-eight".