427989825503 has 8 divisors (see below), whose sum is σ = 428303540640. Its totient is φ = 427676198400.

The previous prime is 427989825499. The next prime is 427989825511. The reversal of 427989825503 is 305528989724.

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

It is a cyclic number.

It is not a de Polignac number, because 427989825503 - 2² = 427989825499 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (427989825533) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12029126 + ... + 12064652.

It is an arithmetic number, because the mean of its divisors is an integer number (53537942580).

Almost surely, 2^427989825503 is an apocalyptic number.

427989825503 is a deficient number, since it is larger than the sum of its proper divisors (313715137).

427989825503 is a wasteful number, since it uses less digits than its factorization.

427989825503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44017.

The product of its (nonzero) digits is 43545600, while the sum is 62.

The spelling of 427989825503 in words is "four hundred twenty-seven billion, nine hundred eighty-nine million, eight hundred twenty-five thousand, five hundred three".