87488392877 has 2 divisors, whose sum is σ = 87488392878. Its totient is φ = 87488392876.

The previous prime is 87488392801. The next prime is 87488392879. The reversal of 87488392877 is 77829388478.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 84994988521 + 2493404356 = 291539^2 + 49934^2 .

It is a cyclic number.

It is not a de Polignac number, because 87488392877 - 2²⁸ = 87219957421 is a prime.

Together with 87488392879, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 87488392877.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (87488392879) 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, 43744196438 + 43744196439.

It is an arithmetic number, because the mean of its divisors is an integer number (43744196439).

Almost surely, 2^87488392877 is an apocalyptic number.

It is an amenable number.

87488392877 is a deficient number, since it is larger than the sum of its proper divisors (1).

87488392877 is an equidigital number, since it uses as much as digits as its factorization.

87488392877 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 303464448, while the sum is 71.

The spelling of 87488392877 in words is "eighty-seven billion, four hundred eighty-eight million, three hundred ninety-two thousand, eight hundred seventy-seven".