38401584078685 has 32 divisors (see below), whose sum is σ = 47286265017600. Its totient is φ = 29931361625088.

The previous prime is 38401584078643. The next prime is 38401584078701. The reversal of 38401584078685 is 58687048510483.

It is a cyclic number.

It is not a de Polignac number, because 38401584078685 - 2¹¹ = 38401584076637 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 38401584078685.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7274607 + ... + 11389603.

It is an arithmetic number, because the mean of its divisors is an integer number (1477695781800).

Almost surely, 2^{38401584078685} is an apocalyptic number.

It is an amenable number.

38401584078685 is a deficient number, since it is larger than the sum of its proper divisors (8884680938915).

38401584078685 is a wasteful number, since it uses less digits than its factorization.

38401584078685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4115397.

The product of its (nonzero) digits is 206438400, while the sum is 67.

The spelling of 38401584078685 in words is "thirty-eight trillion, four hundred one billion, five hundred eighty-four million, seventy-eight thousand, six hundred eighty-five".