76684378080 has 48 divisors (see below), whose sum is σ = 241555792464. Its totient is φ = 20449167360.

The previous prime is 76684378061. The next prime is 76684378097. The reversal of 76684378080 is 8087348667.

It is a tau number, because it is divible by the number of its divisors (48).

It is a self number, because there is not a number n which added to its sum of digits gives 76684378080.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 79879081 + ... + 79880040.

It is an arithmetic number, because the mean of its divisors is an integer number (5032412343).

Almost surely, 2^76684378080 is an apocalyptic number.

It is an amenable number.

76684378080 is an abundant number, since it is smaller than the sum of its proper divisors (164871414384).

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

76684378080 is a wasteful number, since it uses less digits than its factorization.

76684378080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159759139 (or 159759131 counting only the distinct ones).

The product of its (nonzero) digits is 10838016, while the sum is 57.

The spelling of 76684378080 in words is "seventy-six billion, six hundred eighty-four million, three hundred seventy-eight thousand, eighty".