627981423 has 8 divisors (see below), whose sum is σ = 837765936. Its totient is φ = 418425600.

The previous prime is 627981401. The next prime is 627981469. The reversal of 627981423 is 324189726.

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

It is not a de Polignac number, because 627981423 - 2⁶ = 627981359 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (627981493) 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, 50658 + ... + 61823.

It is an arithmetic number, because the mean of its divisors is an integer number (104720742).

Almost surely, 2^627981423 is an apocalyptic number.

627981423 is a deficient number, since it is larger than the sum of its proper divisors (209784513).

627981423 is a wasteful number, since it uses less digits than its factorization.

627981423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114345.

The product of its digits is 145152, while the sum is 42.

The square root of 627981423 is about 25059.5575180409. The cubic root of 627981423 is about 856.3453270677.

The spelling of 627981423 in words is "six hundred twenty-seven million, nine hundred eighty-one thousand, four hundred twenty-three".