616474771 has 4 divisors (see below), whose sum is σ = 672517944. Its totient is φ = 560431600.

The previous prime is 616474769. The next prime is 616474783. The reversal of 616474771 is 177474616.

616474771 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 616474771 - 2¹ = 616474769 is a prime.

It is a super-2 number, since 2×616474771² = 760082286559004882, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (616474751) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28021570 + ... + 28021591.

It is an arithmetic number, because the mean of its divisors is an integer number (168129486).

Almost surely, 2^616474771 is an apocalyptic number.

616474771 is a deficient number, since it is larger than the sum of its proper divisors (56043173).

616474771 is a wasteful number, since it uses less digits than its factorization.

616474771 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56043172.

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

The square root of 616474771 is about 24828.9099841294. The cubic root of 616474771 is about 851.0827130098.

The spelling of 616474771 in words is "six hundred sixteen million, four hundred seventy-four thousand, seven hundred seventy-one".