78414841487 has 8 divisors (see below), whose sum is σ = 78509754912. Its totient is φ = 78319987200.

The previous prime is 78414841481. The next prime is 78414841489.

It is a happy number.

78414841487 is nontrivially palindromic in base 10.

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 78414841487 - 2⁸ = 78414841231 is a prime.

It is a super-2 number, since 2×78414841487² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78414841481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2998187 + ... + 3024227.

It is an arithmetic number, because the mean of its divisors is an integer number (9813719364).

Almost surely, 2^78414841487 is an apocalyptic number.

78414841487 is a deficient number, since it is larger than the sum of its proper divisors (94913425).

78414841487 is a wasteful number, since it uses less digits than its factorization.

78414841487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29569.

The product of its digits is 6422528, while the sum is 56.

The spelling of 78414841487 in words is "seventy-eight billion, four hundred fourteen million, eight hundred forty-one thousand, four hundred eighty-seven".