428772803 has 2 divisors, whose sum is σ = 428772804. Its totient is φ = 428772802.

The previous prime is 428772787. The next prime is 428772833. The reversal of 428772803 is 308277824.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 428772803 - 2⁴ = 428772787 is a prime.

It is a super-2 number, since 2×428772803² = 367692233184953618, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (428772833) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 214386401 + 214386402.

It is an arithmetic number, because the mean of its divisors is an integer number (214386402).

Almost surely, 2^428772803 is an apocalyptic number.

428772803 is a deficient number, since it is larger than the sum of its proper divisors (1).

428772803 is an equidigital number, since it uses as much as digits as its factorization.

428772803 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 150528, while the sum is 41.

The square root of 428772803 is about 20706.8298635981. The cubic root of 428772803 is about 754.0655093216.

The spelling of 428772803 in words is "four hundred twenty-eight million, seven hundred seventy-two thousand, eight hundred three".