38231185707 has 160 divisors (see below), whose sum is σ = 68585045760. Its totient is φ = 20919617280.

The previous prime is 38231185667. The next prime is 38231185747. The reversal of 38231185707 is 70758113283.

38231185707 is a `hidden beast` number, since 38 + 2 + 31 + 18 + 570 + 7 = 666.

It is an interprime number because it is at equal distance from previous prime (38231185667) and next prime (38231185747).

It is not a de Polignac number, because 38231185707 - 2¹⁹ = 38230661419 is a prime.

It is not an unprimeable number, because it can be changed into a prime (38231185747) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 135092388 + ... + 135092670.

It is an arithmetic number, because the mean of its divisors is an integer number (428656536).

Almost surely, 2^38231185707 is an apocalyptic number.

38231185707 is a deficient number, since it is larger than the sum of its proper divisors (30353860053).

38231185707 is a wasteful number, since it uses less digits than its factorization.

38231185707 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 535 (or 526 counting only the distinct ones).

The product of its (nonzero) digits is 282240, while the sum is 45.

The spelling of 38231185707 in words is "thirty-eight billion, two hundred thirty-one million, one hundred eighty-five thousand, seven hundred seven".