87427549379 has 2 divisors, whose sum is σ = 87427549380. Its totient is φ = 87427549378.

The previous prime is 87427549283. The next prime is 87427549403. The reversal of 87427549379 is 97394572478.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 87427549379 - 2²⁰ = 87426500803 is a prime.

It is not a weakly prime, because it can be changed into another prime (87427549879) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43713774689 + 43713774690.

It is an arithmetic number, because the mean of its divisors is an integer number (43713774690).

Almost surely, 2^87427549379 is an apocalyptic number.

87427549379 is a deficient number, since it is larger than the sum of its proper divisors (1).

87427549379 is an equidigital number, since it uses as much as digits as its factorization.

87427549379 is an evil number, because the sum of its binary digits is even.

The product of its digits is 106686720, while the sum is 65.

The spelling of 87427549379 in words is "eighty-seven billion, four hundred twenty-seven million, five hundred forty-nine thousand, three hundred seventy-nine".