77010406865 has 16 divisors (see below), whose sum is σ = 107861386752. Its totient is φ = 51683578944.

The previous prime is 77010406849. The next prime is 77010406927. The reversal of 77010406865 is 56860401077.

It is a cyclic number.

It is not a de Polignac number, because 77010406865 - 2⁴ = 77010406849 is a prime.

It is a Curzon 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, 23405774 + ... + 23409063.

It is an arithmetic number, because the mean of its divisors is an integer number (6741336672).

Almost surely, 2^77010406865 is an apocalyptic number.

It is an amenable number.

77010406865 is a deficient number, since it is larger than the sum of its proper divisors (30850979887).

77010406865 is a wasteful number, since it uses less digits than its factorization.

77010406865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46814896.

The product of its (nonzero) digits is 282240, while the sum is 44.

The spelling of 77010406865 in words is "seventy-seven billion, ten million, four hundred six thousand, eight hundred sixty-five".