87869371 has 2 divisors, whose sum is σ = 87869372. Its totient is φ = 87869370.

The previous prime is 87869351. The next prime is 87869381. The reversal of 87869371 is 17396878.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 87869371 - 2¹¹ = 87867323 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (87869321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43934685 + 43934686.

It is an arithmetic number, because the mean of its divisors is an integer number (43934686).

Almost surely, 2^87869371 is an apocalyptic number.

87869371 is a deficient number, since it is larger than the sum of its proper divisors (1).

87869371 is an equidigital number, since it uses as much as digits as its factorization.

87869371 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 508032, while the sum is 49.

The square root of 87869371 is about 9373.8663847956. The cubic root of 87869371 is about 444.5758210204.

The spelling of 87869371 in words is "eighty-seven million, eight hundred sixty-nine thousand, three hundred seventy-one".