87000101010077 has 2 divisors, whose sum is σ = 87000101010078. Its totient is φ = 87000101010076.

The previous prime is 87000101010071. The next prime is 87000101010139. The reversal of 87000101010077 is 77001010100078.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 71204333086756 + 15795767923321 = 8438266^2 + 3974389^2 .

It is a cyclic number.

It is not a de Polignac number, because 87000101010077 - 2²⁴ = 87000084232861 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (87000101010071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43500050505038 + 43500050505039.

It is an arithmetic number, because the mean of its divisors is an integer number (43500050505039).

Almost surely, 2^{87000101010077} is an apocalyptic number.

It is an amenable number.

87000101010077 is a deficient number, since it is larger than the sum of its proper divisors (1).

87000101010077 is an equidigital number, since it uses as much as digits as its factorization.

87000101010077 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2744, while the sum is 32.

Subtracting from 87000101010077 its reverse (77001010100078), we obtain a palindrome (9999090909999).

The spelling of 87000101010077 in words is "eighty-seven trillion, one hundred one million, ten thousand, seventy-seven".