20077234544167 has 2 divisors, whose sum is σ = 20077234544168. Its totient is φ = 20077234544166.

The previous prime is 20077234544119. The next prime is 20077234544197. The reversal of 20077234544167 is 76144543277002.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20077234544167 - 2²³ = 20077226155559 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20077234544197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10038617272083 + 10038617272084.

It is an arithmetic number, because the mean of its divisors is an integer number (10038617272084).

Almost surely, 2^{20077234544167} is an apocalyptic number.

20077234544167 is a deficient number, since it is larger than the sum of its proper divisors (1).

20077234544167 is an equidigital number, since it uses as much as digits as its factorization.

20077234544167 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7902720, while the sum is 52.

The spelling of 20077234544167 in words is "twenty trillion, seventy-seven billion, two hundred thirty-four million, five hundred forty-four thousand, one hundred sixty-seven".