78468575869 has 8 divisors (see below), whose sum is σ = 81438809760. Its totient is φ = 75515970096.

The previous prime is 78468575837. The next prime is 78468575897. The reversal of 78468575869 is 96857586487.

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 78468575869 - 2⁵ = 78468575837 is a prime.

It is a super-2 number, since 2×78468575869² (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 (78468572869) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4397959 + ... + 4415764.

It is an arithmetic number, because the mean of its divisors is an integer number (10179851220).

Almost surely, 2^78468575869 is an apocalyptic number.

It is an amenable number.

78468575869 is a deficient number, since it is larger than the sum of its proper divisors (2970233891).

78468575869 is a wasteful number, since it uses less digits than its factorization.

78468575869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8814059.

The product of its digits is 812851200, while the sum is 73.

The spelling of 78468575869 in words is "seventy-eight billion, four hundred sixty-eight million, five hundred seventy-five thousand, eight hundred sixty-nine".