457788829 has 2 divisors, whose sum is σ = 457788830. Its totient is φ = 457788828.

The previous prime is 457788781. The next prime is 457788839. The reversal of 457788829 is 928887754.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 303979225 + 153809604 = 17435^2 + 12402^2 .

It is a cyclic number.

It is not a de Polignac number, because 457788829 - 2¹¹ = 457786781 is a prime.

It is a super-2 number, since 2×457788829² = 419141223914382482, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (457788839) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 228894414 + 228894415.

It is an arithmetic number, because the mean of its divisors is an integer number (228894415).

Almost surely, 2^457788829 is an apocalyptic number.

It is an amenable number.

457788829 is a deficient number, since it is larger than the sum of its proper divisors (1).

457788829 is an equidigital number, since it uses as much as digits as its factorization.

457788829 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9031680, while the sum is 58.

The square root of 457788829 is about 21396.0003037951. Note that the first 3 decimals coincide. The cubic root of 457788829 is about 770.7053911547.

The spelling of 457788829 in words is "four hundred fifty-seven million, seven hundred eighty-eight thousand, eight hundred twenty-nine".