388894924637061 has 8 divisors (see below), whose sum is σ = 518526690636864. Its totient is φ = 259263220864320.

The previous prime is 388894924637033. The next prime is 388894924637123. The reversal of 388894924637061 is 160736429498883.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 388894924637061 - 2⁵ = 388894924637029 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (388894924617061) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1788400 + ... + 27946166.

It is an arithmetic number, because the mean of its divisors is an integer number (64815836329608).

Almost surely, 2^{388894924637061} is an apocalyptic number.

It is an amenable number.

388894924637061 is a deficient number, since it is larger than the sum of its proper divisors (129631765999803).

388894924637061 is a wasteful number, since it uses less digits than its factorization.

388894924637061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31113531.

The product of its (nonzero) digits is 3009871872, while the sum is 78.

The spelling of 388894924637061 in words is "three hundred eighty-eight trillion, eight hundred ninety-four billion, nine hundred twenty-four million, six hundred thirty-seven thousand, sixty-one".