38008889397 has 48 divisors (see below), whose sum is σ = 60021000000. Its totient is φ = 23094035712.

The previous prime is 38008889371. The next prime is 38008889431. The reversal of 38008889397 is 79398880083.

38008889397 is a `hidden beast` number, since 380 + 0 + 8 + 88 + 93 + 97 = 666.

It is not a de Polignac number, because 38008889397 - 2¹² = 38008885301 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38008889197) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 529354 + ... + 596852.

It is an arithmetic number, because the mean of its divisors is an integer number (1250437500).

Almost surely, 2^38008889397 is an apocalyptic number.

38008889397 is a gapful number since it is divisible by the number (37) formed by its first and last digit.

It is an amenable number.

38008889397 is a deficient number, since it is larger than the sum of its proper divisors (22012110603).

38008889397 is a wasteful number, since it uses less digits than its factorization.

38008889397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67650 (or 67647 counting only the distinct ones).

The product of its (nonzero) digits is 20901888, while the sum is 63.

The spelling of 38008889397 in words is "thirty-eight billion, eight million, eight hundred eighty-nine thousand, three hundred ninety-seven".