457903728869 has 8 divisors (see below), whose sum is σ = 462120384000. Its totient is φ = 453687359472.

The previous prime is 457903728839. The next prime is 457903728881. The reversal of 457903728869 is 968827309754.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-457903728869 is a prime.

It is a super-2 number, since 2×457903728869² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 457903728799 and 457903728808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (457903728809) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4470572 + ... + 4571850.

It is an arithmetic number, because the mean of its divisors is an integer number (57765048000).

Almost surely, 2^457903728869 is an apocalyptic number.

It is an amenable number.

457903728869 is a deficient number, since it is larger than the sum of its proper divisors (4216655131).

457903728869 is a wasteful number, since it uses less digits than its factorization.

457903728869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142867.

The product of its (nonzero) digits is 182891520, while the sum is 68.

The spelling of 457903728869 in words is "four hundred fifty-seven billion, nine hundred three million, seven hundred twenty-eight thousand, eight hundred sixty-nine".