381875836507 has 16 divisors (see below), whose sum is σ = 417798862560. Its totient is φ = 346155264000.

The previous prime is 381875836499. The next prime is 381875836607. The reversal of 381875836507 is 705638578183.

It is a cyclic number.

It is not a de Polignac number, because 381875836507 - 2³ = 381875836499 is a prime.

It is a super-2 number, since 2×381875836507² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (381875836607) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6088507 + ... + 6150907.

It is an arithmetic number, because the mean of its divisors is an integer number (26112428910).

Almost surely, 2^381875836507 is an apocalyptic number.

381875836507 is a deficient number, since it is larger than the sum of its proper divisors (35923026053).

381875836507 is a wasteful number, since it uses less digits than its factorization.

381875836507 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64014.

The product of its (nonzero) digits is 33868800, while the sum is 61.

The spelling of 381875836507 in words is "three hundred eighty-one billion, eight hundred seventy-five million, eight hundred thirty-six thousand, five hundred seven".