478252902683 has 4 divisors (see below), whose sum is σ = 478255308840. Its totient is φ = 478250496528.

The previous prime is 478252902653. The next prime is 478252902689. The reversal of 478252902683 is 386209252874.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 478252902683 - 2¹² = 478252898587 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (478252902689) 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 3 ways as a sum of consecutive naturals, for example, 875138 + ... + 1312391.

It is an arithmetic number, because the mean of its divisors is an integer number (119563827210).

Almost surely, 2^478252902683 is an apocalyptic number.

478252902683 is a deficient number, since it is larger than the sum of its proper divisors (2406157).

478252902683 is a wasteful number, since it uses less digits than its factorization.

478252902683 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2406156.

The product of its (nonzero) digits is 11612160, while the sum is 56.

The spelling of 478252902683 in words is "four hundred seventy-eight billion, two hundred fifty-two million, nine hundred two thousand, six hundred eighty-three".