78022547983 has 4 divisors (see below), whose sum is σ = 78096085848. Its totient is φ = 77949010120.

The previous prime is 78022547959. The next prime is 78022547989. The reversal of 78022547983 is 38974522087.

It is a happy number.

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 78022547983 - 2¹⁷ = 78022416911 is a prime.

It is a super-3 number, since 3×78022547983³ (a number of 34 digits) contains 333 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 (78022547989) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36767341 + ... + 36769462.

It is an arithmetic number, because the mean of its divisors is an integer number (19524021462).

Almost surely, 2^78022547983 is an apocalyptic number.

78022547983 is a deficient number, since it is larger than the sum of its proper divisors (73537865).

78022547983 is a wasteful number, since it uses less digits than its factorization.

78022547983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73537864.

The product of its (nonzero) digits is 6773760, while the sum is 55.

The spelling of 78022547983 in words is "seventy-eight billion, twenty-two million, five hundred forty-seven thousand, nine hundred eighty-three".