78628655462846 has 8 divisors (see below), whose sum is σ = 117990947001240. Its totient is φ = 39298339795768.

The previous prime is 78628655462783. The next prime is 78628655462873. The reversal of 78628655462846 is 64826455682687.

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 polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7993961681 + ... + 7993971516.

It is an arithmetic number, because the mean of its divisors is an integer number (14748868375155).

Almost surely, 2^{78628655462846} is an apocalyptic number.

78628655462846 is a deficient number, since it is larger than the sum of its proper divisors (39362291538394).

78628655462846 is a wasteful number, since it uses less digits than its factorization.

78628655462846 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15987935658.

The product of its digits is 7431782400, while the sum is 77.

The spelling of 78628655462846 in words is "seventy-eight trillion, six hundred twenty-eight billion, six hundred fifty-five million, four hundred sixty-two thousand, eight hundred forty-six".