38083767781 has 8 divisors (see below), whose sum is σ = 38252287424. Its totient is φ = 37915577280.

The previous prime is 38083767773. The next prime is 38083767847. The reversal of 38083767781 is 18776738083.

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 38083767781 - 2³ = 38083767773 is a prime.

It is a super-2 number, since 2×38083767781² (a number of 22 digits) contains 22 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 (38083767881) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 151096 + ... + 314638.

It is an arithmetic number, because the mean of its divisors is an integer number (4781535928).

Almost surely, 2^38083767781 is an apocalyptic number.

It is an amenable number.

38083767781 is a deficient number, since it is larger than the sum of its proper divisors (168519643).

38083767781 is a wasteful number, since it uses less digits than its factorization.

38083767781 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164571.

The product of its (nonzero) digits is 9483264, while the sum is 58.

The spelling of 38083767781 in words is "thirty-eight billion, eighty-three million, seven hundred sixty-seven thousand, seven hundred eighty-one".