77700000854 has 16 divisors (see below), whose sum is σ = 133890161568. Its totient is φ = 33127460352.

The previous prime is 77700000799. The next prime is 77700000857. The reversal of 77700000854 is 45800000777.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77700000857) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 14375537 + ... + 14380940.

It is an arithmetic number, because the mean of its divisors is an integer number (8368135098).

Almost surely, 2^77700000854 is an apocalyptic number.

77700000854 is a deficient number, since it is larger than the sum of its proper divisors (56190160714).

77700000854 is a wasteful number, since it uses less digits than its factorization.

77700000854 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28756679.

The product of its (nonzero) digits is 54880, while the sum is 38.

The spelling of 77700000854 in words is "seventy-seven billion, seven hundred million, eight hundred fifty-four", and thus it is an aban number.