38781283777 has 8 divisors (see below), whose sum is σ = 39557912000. Its totient is φ = 38010473424.

The previous prime is 38781283771. The next prime is 38781283823. The reversal of 38781283777 is 77738218783.

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 38781283777 - 2¹⁹ = 38780759489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38781283771) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1441002 + ... + 1467667.

It is an arithmetic number, because the mean of its divisors is an integer number (4944739000).

Almost surely, 2^38781283777 is an apocalyptic number.

It is an amenable number.

38781283777 is a deficient number, since it is larger than the sum of its proper divisors (776628223).

38781283777 is a wasteful number, since it uses less digits than its factorization.

38781283777 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2908935.

The product of its digits is 22127616, while the sum is 61.

The spelling of 38781283777 in words is "thirty-eight billion, seven hundred eighty-one million, two hundred eighty-three thousand, seven hundred seventy-seven".