38479670397 has 24 divisors (see below), whose sum is σ = 63529642176. Its totient is φ = 21985736256.

The previous prime is 38479670387. The next prime is 38479670407. The reversal of 38479670397 is 79307697483.

38479670397 is a `hidden beast` number, since 3 + 8 + 479 + 6 + 70 + 3 + 97 = 666.

It is an interprime number because it is at equal distance from previous prime (38479670387) and next prime (38479670407).

It is not a de Polignac number, because 38479670397 - 2¹⁰ = 38479669373 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38479670347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 569473 + ... + 633449.

It is an arithmetic number, because the mean of its divisors is an integer number (2647068424).

Almost surely, 2^38479670397 is an apocalyptic number.

It is an amenable number.

38479670397 is a deficient number, since it is larger than the sum of its proper divisors (25049971779).

38479670397 is a wasteful number, since it uses less digits than its factorization.

38479670397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73537 (or 73534 counting only the distinct ones).

The product of its (nonzero) digits is 48009024, while the sum is 63.

The spelling of 38479670397 in words is "thirty-eight billion, four hundred seventy-nine million, six hundred seventy thousand, three hundred ninety-seven".