78682861330 has 16 divisors (see below), whose sum is σ = 141749094744. Its totient is φ = 31446490240.

The previous prime is 78682861307. The next prime is 78682861403. The reversal of 78682861330 is 3316828687.

It can be written as a sum of positive squares in 4 ways, for example, as 60149034009 + 18533827321 = 245253^2 + 136139^2 .

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, 3319387 + ... + 3343006.

Almost surely, 2^78682861330 is an apocalyptic number.

78682861330 is a deficient number, since it is larger than the sum of its proper divisors (63066233414).

78682861330 is a wasteful number, since it uses less digits than its factorization.

78682861330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6663581.

The product of its (nonzero) digits is 2322432, while the sum is 52.

The spelling of 78682861330 in words is "seventy-eight billion, six hundred eighty-two million, eight hundred sixty-one thousand, three hundred thirty".