477628387 has 2 divisors, whose sum is σ = 477628388. Its totient is φ = 477628386.

The previous prime is 477628381. The next prime is 477628409. The reversal of 477628387 is 783826774.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 477628387 - 2⁷ = 477628259 is a prime.

It is a zygodrome in base 2.

It is not a weakly prime, because it can be changed into another prime (477628381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 238814193 + 238814194.

It is an arithmetic number, because the mean of its divisors is an integer number (238814194).

Almost surely, 2^477628387 is an apocalyptic number.

477628387 is a deficient number, since it is larger than the sum of its proper divisors (1).

477628387 is an equidigital number, since it uses as much as digits as its factorization.

477628387 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3161088, while the sum is 52.

The square root of 477628387 is about 21854.7108651659. The cubic root of 477628387 is about 781.6818776329.

The spelling of 477628387 in words is "four hundred seventy-seven million, six hundred twenty-eight thousand, three hundred eighty-seven".