78631029013 has 8 divisors (see below), whose sum is σ = 80606143008. Its totient is φ = 76674119184.

The previous prime is 78631029011. The next prime is 78631029073. The reversal of 78631029013 is 31092013687.

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

It is a cyclic number.

It is not a de Polignac number, because 78631029013 - 2¹ = 78631029011 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78631029011) 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, 4542295 + ... + 4559572.

It is an arithmetic number, because the mean of its divisors is an integer number (10075767876).

Almost surely, 2^78631029013 is an apocalyptic number.

It is an amenable number.

78631029013 is a deficient number, since it is larger than the sum of its proper divisors (1975113995).

78631029013 is a wasteful number, since it uses less digits than its factorization.

78631029013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9102083.

The product of its (nonzero) digits is 54432, while the sum is 40.

The spelling of 78631029013 in words is "seventy-eight billion, six hundred thirty-one million, twenty-nine thousand, thirteen".