77217600084 has 24 divisors (see below), whose sum is σ = 180179115648. Its totient is φ = 25738526400.

The previous prime is 77217600079. The next prime is 77217600121. The reversal of 77217600084 is 48000671277.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 648309 + ... + 758115.

It is an arithmetic number, because the mean of its divisors is an integer number (7507463152).

Almost surely, 2^77217600084 is an apocalyptic number.

It is an amenable number.

77217600084 is an abundant number, since it is smaller than the sum of its proper divisors (102961515564).

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

77217600084 is a wasteful number, since it uses less digits than its factorization.

77217600084 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168415 (or 168413 counting only the distinct ones).

The product of its (nonzero) digits is 131712, while the sum is 42.

The spelling of 77217600084 in words is "seventy-seven billion, two hundred seventeen million, six hundred thousand, eighty-four".