78674242886 has 8 divisors (see below), whose sum is σ = 119114274600. Its totient is φ = 38969484688.

The previous prime is 78674242847. The next prime is 78674242891. The reversal of 78674242886 is 68824247687.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 183818111 + ... + 183818538.

It is an arithmetic number, because the mean of its divisors is an integer number (14889284325).

Almost surely, 2^78674242886 is an apocalyptic number.

78674242886 is a deficient number, since it is larger than the sum of its proper divisors (40440031714).

78674242886 is a wasteful number, since it uses less digits than its factorization.

78674242886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 367636758.

The product of its digits is 57802752, while the sum is 62.

The spelling of 78674242886 in words is "seventy-eight billion, six hundred seventy-four million, two hundred forty-two thousand, eight hundred eighty-six".