627440897 has 8 divisors (see below), whose sum is σ = 677298240. Its totient is φ = 579465040.

The previous prime is 627440893. The next prime is 627440959. The reversal of 627440897 is 798044726.

627440897 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 627440897 - 2² = 627440893 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (627440893) 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, 469679 + ... + 471012.

It is an arithmetic number, because the mean of its divisors is an integer number (84662280).

Almost surely, 2^627440897 is an apocalyptic number.

It is an amenable number.

627440897 is a deficient number, since it is larger than the sum of its proper divisors (49857343).

627440897 is a wasteful number, since it uses less digits than its factorization.

627440897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 940743.

The product of its (nonzero) digits is 677376, while the sum is 47.

The square root of 627440897 is about 25048.7703690221. The cubic root of 627440897 is about 856.0995608896.

The spelling of 627440897 in words is "six hundred twenty-seven million, four hundred forty thousand, eight hundred ninety-seven".