388822377 has 4 divisors (see below), whose sum is σ = 518429840. Its totient is φ = 259214916.

The previous prime is 388822277. The next prime is 388822387. The reversal of 388822377 is 773228883.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 388822377 - 2¹⁰ = 388821353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (388822387) 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 3 ways as a sum of consecutive naturals, for example, 64803727 + ... + 64803732.

It is an arithmetic number, because the mean of its divisors is an integer number (129607460).

Almost surely, 2^388822377 is an apocalyptic number.

It is an amenable number.

388822377 is a deficient number, since it is larger than the sum of its proper divisors (129607463).

388822377 is a wasteful number, since it uses less digits than its factorization.

388822377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129607462.

The product of its digits is 903168, while the sum is 48.

The square root of 388822377 is about 19718.5794873769. The cubic root of 388822377 is about 729.8782414053.

The spelling of 388822377 in words is "three hundred eighty-eight million, eight hundred twenty-two thousand, three hundred seventy-seven".