38217277512 has 36 divisors (see below), whose sum is σ = 103509619395. Its totient is φ = 12738539568.

The previous prime is 38217277507. The next prime is 38217277531. The reversal of 38217277512 is 21577271283.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in only one way, i.e., 19108638756 + 19108638756 = 138234^2 + 138234^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=138234.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1647289 + ... + 1670327.

Almost surely, 2^38217277512 is an apocalyptic number.

It is an amenable number.

38217277512 is an abundant number, since it is smaller than the sum of its proper divisors (65292341883).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

38217277512 is an frugal number, since it uses more digits than its factorization.

38217277512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46090 (or 23044 counting only the distinct ones).

The product of its digits is 329280, while the sum is 45.

It can be divided in two parts, 382172 and 77512, that added together give a square (459684 = 678²).

The spelling of 38217277512 in words is "thirty-eight billion, two hundred seventeen million, two hundred seventy-seven thousand, five hundred twelve".