38672771672 has 8 divisors (see below), whose sum is σ = 72511446900. Its totient is φ = 19336385832.

The previous prime is 38672771671. The next prime is 38672771689. The reversal of 38672771672 is 27617727683.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38672771671) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2417048222 + ... + 2417048237.

Almost surely, 2^38672771672 is an apocalyptic number.

It is an amenable number.

38672771672 is a deficient number, since it is larger than the sum of its proper divisors (33838675228).

38672771672 is a wasteful number, since it uses less digits than its factorization.

38672771672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4834096465 (or 4834096461 counting only the distinct ones).

The product of its digits is 8297856, while the sum is 56.

The spelling of 38672771672 in words is "thirty-eight billion, six hundred seventy-two million, seven hundred seventy-one thousand, six hundred seventy-two".