38885392769 has 4 divisors (see below), whose sum is σ = 38905043760. Its totient is φ = 38865741780.

The previous prime is 38885392751. The next prime is 38885392787. The reversal of 38885392769 is 96729358883.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (38885392751) and next prime (38885392787).

It is a cyclic number.

It is not a de Polignac number, because 38885392769 - 2¹² = 38885388673 is a prime.

It is a super-2 number, since 2×38885392769² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 38885392699 and 38885392708.

It is not an unprimeable number, because it can be changed into a prime (38885392709) 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, 9822527 + ... + 9826484.

It is an arithmetic number, because the mean of its divisors is an integer number (9726260940).

Almost surely, 2^38885392769 is an apocalyptic number.

It is an amenable number.

38885392769 is a deficient number, since it is larger than the sum of its proper divisors (19650991).

38885392769 is a wasteful number, since it uses less digits than its factorization.

38885392769 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19650990.

The product of its digits is 156764160, while the sum is 68.

The spelling of 38885392769 in words is "thirty-eight billion, eight hundred eighty-five million, three hundred ninety-two thousand, seven hundred sixty-nine".