87079387 has 2 divisors, whose sum is σ = 87079388. Its totient is φ = 87079386.

The previous prime is 87079381. The next prime is 87079397. The reversal of 87079387 is 78397078.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 87079387 - 2³ = 87079379 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 87079387.

It is not a weakly prime, because it can be changed into another prime (87079381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43539693 + 43539694.

It is an arithmetic number, because the mean of its divisors is an integer number (43539694).

Almost surely, 2^87079387 is an apocalyptic number.

87079387 is a deficient number, since it is larger than the sum of its proper divisors (1).

87079387 is an equidigital number, since it uses as much as digits as its factorization.

87079387 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 592704, while the sum is 49.

The square root of 87079387 is about 9331.6336726213. The cubic root of 87079387 is about 443.2394980454.

The spelling of 87079387 in words is "eighty-seven million, seventy-nine thousand, three hundred eighty-seven".