78829865370 has 24 divisors (see below), whose sum is σ = 204957650196. Its totient is φ = 21021297408.

The previous prime is 78829865341. The next prime is 78829865407. The reversal of 78829865370 is 7356892887.

78829865370 is a `hidden beast` number, since 7 + 8 + 8 + 2 + 98 + 6 + 537 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 68464385649 + 10365479721 = 261657^2 + 101811^2 .

It is a junction number, because it is equal to n+sod(n) for n = 78829865298 and 78829865307.

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, 437943607 + ... + 437943786.

Almost surely, 2^78829865370 is an apocalyptic number.

78829865370 is an abundant number, since it is smaller than the sum of its proper divisors (126127784826).

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

78829865370 is a wasteful number, since it uses less digits than its factorization.

78829865370 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 875887406 (or 875887403 counting only the distinct ones).

The product of its (nonzero) digits is 40642560, while the sum is 63.

The spelling of 78829865370 in words is "seventy-eight billion, eight hundred twenty-nine million, eight hundred sixty-five thousand, three hundred seventy".