87488392879 has 2 divisors, whose sum is σ = 87488392880. Its totient is φ = 87488392878.

The previous prime is 87488392877. The next prime is 87488392891. The reversal of 87488392879 is 97829388478.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 87488392879 - 2¹ = 87488392877 is a prime.

Together with 87488392877, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (87488392877) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43744196439 + 43744196440.

It is an arithmetic number, because the mean of its divisors is an integer number (43744196440).

Almost surely, 2^87488392879 is an apocalyptic number.

87488392879 is a deficient number, since it is larger than the sum of its proper divisors (1).

87488392879 is an equidigital number, since it uses as much as digits as its factorization.

87488392879 is an evil number, because the sum of its binary digits is even.

The product of its digits is 390168576, while the sum is 73.

The spelling of 87488392879 in words is "eighty-seven billion, four hundred eighty-eight million, three hundred ninety-two thousand, eight hundred seventy-nine".