76847616 has 200 divisors, whose sum is σ = 245090340. Its totient is φ = 23887872.

The previous prime is 76847581. The next prime is 76847621. The reversal of 76847616 is 61674867.

It can be written as a sum of positive squares in 2 ways, for example, as 72182016 + 4665600 = 8496^2 + 2160^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 704970 + ... + 705078.

Almost surely, 2^76847616 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 76847616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (122545170).

76847616 is an abundant number, since it is smaller than the sum of its proper divisors (168242724).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

76847616 is a wasteful number, since it uses less digits than its factorization.

76847616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156 (or 131 counting only the distinct ones).

The product of its digits is 338688, while the sum is 45.

The square root of 76847616 is about 8766.2772030093. The cubic root of 76847616 is about 425.1512559661.

It can be divided in two parts, 768 and 47616, that added together give a palindrome (48384).

The spelling of 76847616 in words is "seventy-six million, eight hundred forty-seven thousand, six hundred sixteen".