78384510203 has 8 divisors (see below), whose sum is σ = 82701457920. Its totient is φ = 74086707240.

The previous prime is 78384510181. The next prime is 78384510229. The reversal of 78384510203 is 30201548387.

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 78384510203 - 2¹² = 78384506107 is a prime.

It is a super-2 number, since 2×78384510203² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (78384510283) 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, 4777775 + ... + 4794152.

It is an arithmetic number, because the mean of its divisors is an integer number (10337682240).

Almost surely, 2^78384510203 is an apocalyptic number.

78384510203 is a deficient number, since it is larger than the sum of its proper divisors (4316947717).

78384510203 is a wasteful number, since it uses less digits than its factorization.

78384510203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9572377.

The product of its (nonzero) digits is 161280, while the sum is 41.

The spelling of 78384510203 in words is "seventy-eight billion, three hundred eighty-four million, five hundred ten thousand, two hundred three".