77416219080 has 96 divisors (see below), whose sum is σ = 266402892600. Its totient is φ = 19429951488.

The previous prime is 77416219057. The next prime is 77416219099. The reversal of 77416219080 is 8091261477.

It is a happy number.

77416219080 is a `hidden beast` number, since 77 + 416 + 2 + 1 + 90 + 80 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 68224395204 + 9191823876 = 261198^2 + 95874^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6318735 + ... + 6330974.

Almost surely, 2^77416219080 is an apocalyptic number.

It is an amenable number.

77416219080 is an abundant number, since it is smaller than the sum of its proper divisors (188986673520).

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

77416219080 is a wasteful number, since it uses less digits than its factorization.

77416219080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12649743 (or 12649736 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 45.

The spelling of 77416219080 in words is "seventy-seven billion, four hundred sixteen million, two hundred nineteen thousand, eighty".