77616476 has 12 divisors (see below), whose sum is σ = 155233008. Its totient is φ = 33264192.

The previous prime is 77616457. The next prime is 77616527. The reversal of 77616476 is 67461677.

77616476 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1385981 + ... + 1386036.

It is an arithmetic number, because the mean of its divisors is an integer number (12936084).

Almost surely, 2^77616476 is an apocalyptic number.

It is an amenable number.

77616476 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

77616476 is a wasteful number, since it uses less digits than its factorization.

77616476 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2772028 (or 2772026 counting only the distinct ones).

The product of its digits is 296352, while the sum is 44.

The square root of 77616476 is about 8810.0213393612. The cubic root of 77616476 is about 426.5644321568.

The spelling of 77616476 in words is "seventy-seven million, six hundred sixteen thousand, four hundred seventy-six".