387722353 has 2 divisors, whose sum is σ = 387722354. Its totient is φ = 387722352.

The previous prime is 387722329. The next prime is 387722393. The reversal of 387722353 is 353227783.

It is an a-pointer prime, because the next prime (387722393) can be obtained adding 387722353 to its sum of digits (40).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 372605809 + 15116544 = 19303^2 + 3888^2 .

It is a cyclic number.

It is not a de Polignac number, because 387722353 - 2²⁵ = 354167921 is a prime.

It is not a weakly prime, because it can be changed into another prime (387722393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 193861176 + 193861177.

It is an arithmetic number, because the mean of its divisors is an integer number (193861177).

Almost surely, 2^387722353 is an apocalyptic number.

It is an amenable number.

387722353 is a deficient number, since it is larger than the sum of its proper divisors (1).

387722353 is an equidigital number, since it uses as much as digits as its factorization.

387722353 is an evil number, because the sum of its binary digits is even.

The product of its digits is 211680, while the sum is 40.

The square root of 387722353 is about 19690.6666469168. Note that the first 4 decimals coincide. The cubic root of 387722353 is about 729.1892876371.

The spelling of 387722353 in words is "three hundred eighty-seven million, seven hundred twenty-two thousand, three hundred fifty-three".