616777441 has 8 divisors (see below), whose sum is σ = 705092864. Its totient is φ = 528513120.

The previous prime is 616777397. The next prime is 616777451. The reversal of 616777441 is 144777616.

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 616777441 - 2¹³ = 616769249 is a prime.

It is not an unprimeable number, because it can be changed into a prime (616777451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18061 + ... + 39493.

It is an arithmetic number, because the mean of its divisors is an integer number (88136608).

Almost surely, 2^616777441 is an apocalyptic number.

It is an amenable number.

616777441 is a deficient number, since it is larger than the sum of its proper divisors (88315423).

616777441 is a wasteful number, since it uses less digits than its factorization.

616777441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25551.

The product of its digits is 197568, while the sum is 43.

The square root of 616777441 is about 24835.0043487010. The cubic root of 616777441 is about 851.2219752965.

The spelling of 616777441 in words is "six hundred sixteen million, seven hundred seventy-seven thousand, four hundred forty-one".