77282484227 has 4 divisors (see below), whose sum is σ = 83227290720. Its totient is φ = 71337677736.

The previous prime is 77282484197. The next prime is 77282484233. The reversal of 77282484227 is 72248428277.

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

It is not a de Polignac number, because 77282484227 - 2³⁰ = 76208742403 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (77282484247) 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, 2972403227 + ... + 2972403252.

It is an arithmetic number, because the mean of its divisors is an integer number (20806822680).

Almost surely, 2^77282484227 is an apocalyptic number.

77282484227 is a deficient number, since it is larger than the sum of its proper divisors (5944806493).

77282484227 is a wasteful number, since it uses less digits than its factorization.

77282484227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5944806492.

The product of its digits is 5619712, while the sum is 53.

The spelling of 77282484227 in words is "seventy-seven billion, two hundred eighty-two million, four hundred eighty-four thousand, two hundred twenty-seven".