77754166676 has 12 divisors (see below), whose sum is σ = 136072483008. Its totient is φ = 38876314392.

The previous prime is 77754166673. The next prime is 77754166729. The reversal of 77754166676 is 67666145777.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77754166673) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 77255 + ... + 401841.

It is an arithmetic number, because the mean of its divisors is an integer number (11339373584).

Almost surely, 2^77754166676 is an apocalyptic number.

It is an amenable number.

77754166676 is a deficient number, since it is larger than the sum of its proper divisors (58318316332).

77754166676 is a wasteful number, since it uses less digits than its factorization.

77754166676 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 384478 (or 384476 counting only the distinct ones).

The product of its digits is 62233920, while the sum is 62.

The spelling of 77754166676 in words is "seventy-seven billion, seven hundred fifty-four million, one hundred sixty-six thousand, six hundred seventy-six".