78214220303 has 4 divisors (see below), whose sum is σ = 78611247000. Its totient is φ = 77817193608.

The previous prime is 78214220281. The next prime is 78214220311. The reversal of 78214220303 is 30302241287.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 78214220303 - 2⁶ = 78214220239 is a prime.

It is a super-2 number, since 2×78214220303² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 78214220303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78214220603) 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 3 ways as a sum of consecutive naturals, for example, 198513053 + ... + 198513446.

It is an arithmetic number, because the mean of its divisors is an integer number (19652811750).

Almost surely, 2^78214220303 is an apocalyptic number.

78214220303 is a deficient number, since it is larger than the sum of its proper divisors (397026697).

78214220303 is a wasteful number, since it uses less digits than its factorization.

78214220303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 397026696.

The product of its (nonzero) digits is 16128, while the sum is 32.

The spelling of 78214220303 in words is "seventy-eight billion, two hundred fourteen million, two hundred twenty thousand, three hundred three".