85463077777 has 32 divisors (see below), whose sum is σ = 107133926400. Its totient is φ = 66231172800.

The previous prime is 85463077759. The next prime is 85463077829. The reversal of 85463077777 is 77777036458.

It is a cyclic number.

It is not a de Polignac number, because 85463077777 - 2¹¹ = 85463075729 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85463077727) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20646174 + ... + 20650312.

It is an arithmetic number, because the mean of its divisors is an integer number (3347935200).

Almost surely, 2^85463077777 is an apocalyptic number.

It is an amenable number.

85463077777 is a deficient number, since it is larger than the sum of its proper divisors (21670848623).

85463077777 is a wasteful number, since it uses less digits than its factorization.

85463077777 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5557.

The product of its (nonzero) digits is 48404160, while the sum is 61.

The spelling of 85463077777 in words is "eighty-five billion, four hundred sixty-three million, seventy-seven thousand, seven hundred seventy-seven".