616478471 has 8 divisors (see below), whose sum is σ = 706231680. Its totient is φ = 527146488.

The previous prime is 616478449. The next prime is 616478479. The reversal of 616478471 is 174874616.

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 616478471 - 2²⁶ = 549369607 is a prime.

It is a super-3 number, since 3×616478471³ (a number of 27 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (616478479) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 102161 + ... + 108026.

It is an arithmetic number, because the mean of its divisors is an integer number (88278960).

Almost surely, 2^616478471 is an apocalyptic number.

616478471 is a deficient number, since it is larger than the sum of its proper divisors (89753209).

616478471 is a wasteful number, since it uses less digits than its factorization.

616478471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210613.

The product of its digits is 225792, while the sum is 44.

The square root of 616478471 is about 24828.9844939337. The cubic root of 616478471 is about 851.0844157017.

The spelling of 616478471 in words is "six hundred sixteen million, four hundred seventy-eight thousand, four hundred seventy-one".