77000084093 has 2 divisors, whose sum is σ = 77000084094. Its totient is φ = 77000084092.

The previous prime is 77000084081. The next prime is 77000084099. The reversal of 77000084093 is 39048000077.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 76249433689 + 750650404 = 276133^2 + 27398^2 .

It is a cyclic number.

It is not a de Polignac number, because 77000084093 - 2²⁰ = 76999035517 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (77000084099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38500042046 + 38500042047.

It is an arithmetic number, because the mean of its divisors is an integer number (38500042047).

Almost surely, 2^77000084093 is an apocalyptic number.

It is an amenable number.

77000084093 is a deficient number, since it is larger than the sum of its proper divisors (1).

77000084093 is an equidigital number, since it uses as much as digits as its factorization.

77000084093 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 42336, while the sum is 38.

The spelling of 77000084093 in words is "seventy-seven billion, eighty-four thousand, ninety-three".