78629754782 has 16 divisors (see below), whose sum is σ = 120482897472. Its totient is φ = 38469189120.

The previous prime is 78629754751. The next prime is 78629754809. The reversal of 78629754782 is 28745792687.

It is a congruent number.

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, 303782 + ... + 499542.

It is an arithmetic number, because the mean of its divisors is an integer number (7530181092).

Almost surely, 2^78629754782 is an apocalyptic number.

78629754782 is a deficient number, since it is larger than the sum of its proper divisors (41853142690).

78629754782 is a wasteful number, since it uses less digits than its factorization.

78629754782 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200083.

The product of its digits is 94832640, while the sum is 65.

The spelling of 78629754782 in words is "seventy-eight billion, six hundred twenty-nine million, seven hundred fifty-four thousand, seven hundred eighty-two".