616476988 has 12 divisors (see below), whose sum is σ = 1079110872. Its totient is φ = 308159600.

The previous prime is 616476947. The next prime is 616476989. The reversal of 616476988 is 889674616.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (616476989) 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, 63 + ... + 35113.

It is an arithmetic number, because the mean of its divisors is an integer number (89925906).

Almost surely, 2^616476988 is an apocalyptic number.

It is an amenable number.

616476988 is a deficient number, since it is larger than the sum of its proper divisors (462633884).

616476988 is a wasteful number, since it uses less digits than its factorization.

616476988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39452 (or 39450 counting only the distinct ones).

The product of its digits is 3483648, while the sum is 55.

The square root of 616476988 is about 24828.9546296255. The cubic root of 616476988 is about 851.0837332452.

It can be divided in two parts, 61647 and 6988, that added together give a triangular number (68635 = T₃₇₀).

The spelling of 616476988 in words is "six hundred sixteen million, four hundred seventy-six thousand, nine hundred eighty-eight".