67768486776 has 48 divisors (see below), whose sum is σ = 183642708600. Its totient is φ = 22576811712.

The previous prime is 67768486757. The next prime is 67768486801.

67768486776 is a `hidden beast` number, since 6 + 7 + 76 + 8 + 486 + 7 + 76 = 666.

67768486776 is nontrivially palindromic in base 10.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 134691 + ... + 392018.

Almost surely, 2^67768486776 is an apocalyptic number.

It is an amenable number.

67768486776 is an abundant number, since it is smaller than the sum of its proper divisors (115874221824).

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

67768486776 is a wasteful number, since it uses less digits than its factorization.

67768486776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 528508 (or 528501 counting only the distinct ones).

The product of its digits is 796594176, while the sum is 72.

The spelling of 67768486776 in words is "sixty-seven billion, seven hundred sixty-eight million, four hundred eighty-six thousand, seven hundred seventy-six".