78864490429 has 8 divisors (see below), whose sum is σ = 79044800000. Its totient is φ = 78684270912.

The previous prime is 78864490427. The next prime is 78864490459. The reversal of 78864490429 is 92409446887.

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 78864490429 - 2¹ = 78864490427 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 (78864490421) 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, 1920292 + ... + 1960930.

It is an arithmetic number, because the mean of its divisors is an integer number (9880600000).

Almost surely, 2^78864490429 is an apocalyptic number.

It is an amenable number.

78864490429 is a deficient number, since it is larger than the sum of its proper divisors (180309571).

78864490429 is a wasteful number, since it uses less digits than its factorization.

78864490429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45027.

The product of its (nonzero) digits is 27869184, while the sum is 61.

The spelling of 78864490429 in words is "seventy-eight billion, eight hundred sixty-four million, four hundred ninety thousand, four hundred twenty-nine".