388773163204742 has 16 divisors (see below), whose sum is σ = 593164616619600. Its totient is φ = 191052966646560.

The previous prime is 388773163204691. The next prime is 388773163204793. The reversal of 388773163204742 is 247402361377883.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (388773163204691) and next prime (388773163204793).

It is a super-2 number, since 2×388773163204742² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 334997009 + ... + 336155532.

It is an arithmetic number, because the mean of its divisors is an integer number (37072788538725).

Almost surely, 2^{388773163204742} is an apocalyptic number.

388773163204742 is a deficient number, since it is larger than the sum of its proper divisors (204391453414858).

388773163204742 is a wasteful number, since it uses less digits than its factorization.

388773163204742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 671157511.

The product of its (nonzero) digits is 227598336, while the sum is 65.

The spelling of 388773163204742 in words is "three hundred eighty-eight trillion, seven hundred seventy-three billion, one hundred sixty-three million, two hundred four thousand, seven hundred forty-two".