78851575334 has 8 divisors (see below), whose sum is σ = 135174129168. Its totient is φ = 33793532280.

The previous prime is 78851575307. The next prime is 78851575351. The reversal of 78851575334 is 43357515887.

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

It is a self number, because there is not a number n which added to its sum of digits gives 78851575334.

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, 2816127677 + ... + 2816127704.

It is an arithmetic number, because the mean of its divisors is an integer number (16896766146).

Almost surely, 2^78851575334 is an apocalyptic number.

78851575334 is a deficient number, since it is larger than the sum of its proper divisors (56322553834).

78851575334 is a wasteful number, since it uses less digits than its factorization.

78851575334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5632255390.

The product of its digits is 14112000, while the sum is 56.

The spelling of 78851575334 in words is "seventy-eight billion, eight hundred fifty-one million, five hundred seventy-five thousand, three hundred thirty-four".