38472772205 has 16 divisors (see below), whose sum is σ = 52777655040. Its totient is φ = 26373831552.

The previous prime is 38472772189. The next prime is 38472772207. The reversal of 38472772205 is 50227727483.

It is a cyclic number.

It is not a de Polignac number, because 38472772205 - 2⁴ = 38472772189 is a prime.

It is a super-2 number, since 2×38472772205² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 38472772205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38472772207) 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, 29864 + ... + 278993.

It is an arithmetic number, because the mean of its divisors is an integer number (3298603440).

Almost surely, 2^38472772205 is an apocalyptic number.

38472772205 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

38472772205 is a deficient number, since it is larger than the sum of its proper divisors (14304882835).

38472772205 is a wasteful number, since it uses less digits than its factorization.

38472772205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 312428.

The product of its (nonzero) digits is 1317120, while the sum is 47.

The spelling of 38472772205 in words is "thirty-eight billion, four hundred seventy-two million, seven hundred seventy-two thousand, two hundred five".