38822775566 has 4 divisors (see below), whose sum is σ = 58234163352. Its totient is φ = 19411387782.

The previous prime is 38822775521. The next prime is 38822775583. The reversal of 38822775566 is 66557722883.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 66557722883 = 67 ⋅993398849.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9705693890 + ... + 9705693893.

It is an arithmetic number, because the mean of its divisors is an integer number (14558540838).

Almost surely, 2^38822775566 is an apocalyptic number.

38822775566 is a deficient number, since it is larger than the sum of its proper divisors (19411387786).

38822775566 is a wasteful number, since it uses less digits than its factorization.

38822775566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19411387785.

The product of its digits is 33868800, while the sum is 59.

The spelling of 38822775566 in words is "thirty-eight billion, eight hundred twenty-two million, seven hundred seventy-five thousand, five hundred sixty-six".