87429599 has 2 divisors, whose sum is σ = 87429600. Its totient is φ = 87429598.

The previous prime is 87429571. The next prime is 87429607. The reversal of 87429599 is 99592478.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-87429599 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 87429599.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (87429499) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43714799 + 43714800.

It is an arithmetic number, because the mean of its divisors is an integer number (43714800).

Almost surely, 2^87429599 is an apocalyptic number.

87429599 is a deficient number, since it is larger than the sum of its proper divisors (1).

87429599 is an equidigital number, since it uses as much as digits as its factorization.

87429599 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1632960, while the sum is 53.

The square root of 87429599 is about 9350.3796179620. The cubic root of 87429599 is about 443.8329035346.

The spelling of 87429599 in words is "eighty-seven million, four hundred twenty-nine thousand, five hundred ninety-nine".