38871722365 has 16 divisors (see below), whose sum is σ = 53316404352. Its totient is φ = 26651588544.

The previous prime is 38871722347. The next prime is 38871722369. The reversal of 38871722365 is 56322717883.

It is not a de Polignac number, because 38871722365 - 2²³ = 38863333757 is a prime.

It is a super-2 number, since 2×38871722365² (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 (38871722369) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 236302 + ... + 365488.

It is an arithmetic number, because the mean of its divisors is an integer number (3332275272).

Almost surely, 2^38871722365 is an apocalyptic number.

38871722365 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

38871722365 is a deficient number, since it is larger than the sum of its proper divisors (14444681987).

38871722365 is a wasteful number, since it uses less digits than its factorization.

38871722365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137796.

The product of its digits is 3386880, while the sum is 52.

The spelling of 38871722365 in words is "thirty-eight billion, eight hundred seventy-one million, seven hundred twenty-two thousand, three hundred sixty-five".