38231185705 has 16 divisors (see below), whose sum is σ = 47429111808. Its totient is φ = 29553480000.

The previous prime is 38231185667. The next prime is 38231185747. The reversal of 38231185705 is 50758113283.

It is not a de Polignac number, because 38231185705 - 2⁹ = 38231185193 is a prime.

It is a super-4 number, since 4×38231185705⁴ (a number of 43 digits) contains 4444 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 84121 + ... + 289030.

It is an arithmetic number, because the mean of its divisors is an integer number (2964319488).

Almost surely, 2^38231185705 is an apocalyptic number.

It is an amenable number.

38231185705 is a deficient number, since it is larger than the sum of its proper divisors (9197926103).

38231185705 is a wasteful number, since it uses less digits than its factorization.

38231185705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 373848.

The product of its (nonzero) digits is 201600, while the sum is 43.

Adding to 38231185705 its reverse (50758113283), we get a palindrome (88989298988).

The spelling of 38231185705 in words is "thirty-eight billion, two hundred thirty-one million, one hundred eighty-five thousand, seven hundred five".