77034651805 has 16 divisors (see below), whose sum is σ = 93618504000. Its totient is φ = 60844110208.

The previous prime is 77034651781. The next prime is 77034651817. The reversal of 77034651805 is 50815643077.

It is a cyclic number.

It is not a de Polignac number, because 77034651805 - 2⁵ = 77034651773 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 560169 + ... + 684001.

It is an arithmetic number, because the mean of its divisors is an integer number (5851156500).

Almost surely, 2^77034651805 is an apocalyptic number.

It is an amenable number.

77034651805 is a deficient number, since it is larger than the sum of its proper divisors (16583852195).

77034651805 is a wasteful number, since it uses less digits than its factorization.

77034651805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125420.

The product of its (nonzero) digits is 705600, while the sum is 46.

The spelling of 77034651805 in words is "seventy-seven billion, thirty-four million, six hundred fifty-one thousand, eight hundred five".