78893763685 has 8 divisors (see below), whose sum is σ = 103279108896. Its totient is φ = 57377282640.

The previous prime is 78893763649. The next prime is 78893763733. The reversal of 78893763685 is 58636739887.

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

It is not a de Polignac number, because 78893763685 - 2¹¹ = 78893761637 is a prime.

It is a Duffinian number.

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, 717215979 + ... + 717216088.

It is an arithmetic number, because the mean of its divisors is an integer number (12909888612).

Almost surely, 2^78893763685 is an apocalyptic number.

It is an amenable number.

78893763685 is a deficient number, since it is larger than the sum of its proper divisors (24385345211).

78893763685 is a wasteful number, since it uses less digits than its factorization.

78893763685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1434432083.

The product of its digits is 365783040, while the sum is 70.

The spelling of 78893763685 in words is "seventy-eight billion, eight hundred ninety-three million, seven hundred sixty-three thousand, six hundred eighty-five".