38979670472 has 60 divisors (see below), whose sum is σ = 76620125895. Its totient is φ = 18591051808.

The previous prime is 38979670423. The next prime is 38979670507. The reversal of 38979670472 is 27407697983.

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 3 ways, for example, as 21387892516 + 17591777956 = 146246^2 + 132634^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=139606.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 469634543 + ... + 469634625.

Almost surely, 2^38979670472 is an apocalyptic number.

It is an amenable number.

38979670472 is a deficient number, since it is larger than the sum of its proper divisors (37640455423).

38979670472 is an frugal number, since it uses more digits than its factorization.

38979670472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 288 (or 114 counting only the distinct ones).

The product of its (nonzero) digits is 32006016, while the sum is 62.

The spelling of 38979670472 in words is "thirty-eight billion, nine hundred seventy-nine million, six hundred seventy thousand, four hundred seventy-two".