18062824877 has 2 divisors, whose sum is σ = 18062824878. Its totient is φ = 18062824876.

The previous prime is 18062824873. The next prime is 18062824889. The reversal of 18062824877 is 77842826081.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13423307881 + 4639516996 = 115859^2 + 68114^2 .

It is an emirp because it is prime and its reverse (77842826081) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 18062824877 - 2² = 18062824873 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (18062824873) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9031412438 + 9031412439.

It is an arithmetic number, because the mean of its divisors is an integer number (9031412439).

Almost surely, 2^18062824877 is an apocalyptic number.

It is an amenable number.

18062824877 is a deficient number, since it is larger than the sum of its proper divisors (1).

18062824877 is an equidigital number, since it uses as much as digits as its factorization.

18062824877 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2408448, while the sum is 53.

The spelling of 18062824877 in words is "eighteen billion, sixty-two million, eight hundred twenty-four thousand, eight hundred seventy-seven".