77135574023 has 2 divisors, whose sum is σ = 77135574024. Its totient is φ = 77135574022.

The previous prime is 77135574001. The next prime is 77135574071. The reversal of 77135574023 is 32047553177.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 77135574023 - 2⁶ = 77135573959 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (77135573023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38567787011 + 38567787012.

It is an arithmetic number, because the mean of its divisors is an integer number (38567787012).

Almost surely, 2^77135574023 is an apocalyptic number.

77135574023 is a deficient number, since it is larger than the sum of its proper divisors (1).

77135574023 is an equidigital number, since it uses as much as digits as its factorization.

77135574023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 617400, while the sum is 44.

The spelling of 77135574023 in words is "seventy-seven billion, one hundred thirty-five million, five hundred seventy-four thousand, twenty-three".