78044831486 has 8 divisors (see below), whose sum is σ = 119051438040. Its totient is φ = 38361018808.

The previous prime is 78044831437. The next prime is 78044831503. The reversal of 78044831486 is 68413844087.

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 (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 330698321 + ... + 330698556.

It is an arithmetic number, because the mean of its divisors is an integer number (14881429755).

Almost surely, 2^78044831486 is an apocalyptic number.

78044831486 is a deficient number, since it is larger than the sum of its proper divisors (41006606554).

78044831486 is a wasteful number, since it uses less digits than its factorization.

78044831486 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 661396938.

The product of its (nonzero) digits is 4128768, while the sum is 53.

The spelling of 78044831486 in words is "seventy-eight billion, forty-four million, eight hundred thirty-one thousand, four hundred eighty-six".