78335070856863 has 8 divisors (see below), whose sum is σ = 105023815072176. Its totient is φ = 51934853606400.

The previous prime is 78335070856849. The next prime is 78335070856901. The reversal of 78335070856863 is 36865807053387.

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

It is not a de Polignac number, because 78335070856863 - 2⁹ = 78335070856351 is a prime.

It is a super-2 number, since 2×78335070856863² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78335070856813) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72131740578 + ... + 72131741663.

It is an arithmetic number, because the mean of its divisors is an integer number (13127976884022).

Almost surely, 2^{78335070856863} is an apocalyptic number.

78335070856863 is a deficient number, since it is larger than the sum of its proper divisors (26688744215313).

78335070856863 is a wasteful number, since it uses less digits than its factorization.

78335070856863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144263482425.

The product of its (nonzero) digits is 609638400, while the sum is 69.

The spelling of 78335070856863 in words is "seventy-eight trillion, three hundred thirty-five billion, seventy million, eight hundred fifty-six thousand, eight hundred sixty-three".