87120599 has 2 divisors, whose sum is σ = 87120600. Its totient is φ = 87120598.

The previous prime is 87120581. The next prime is 87120617. The reversal of 87120599 is 99502178.

It is a balanced prime because it is at equal distance from previous prime (87120581) and next prime (87120617).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-87120599 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (87120559) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43560299 + 43560300.

It is an arithmetic number, because the mean of its divisors is an integer number (43560300).

Almost surely, 2^87120599 is an apocalyptic number.

87120599 is a deficient number, since it is larger than the sum of its proper divisors (1).

87120599 is an equidigital number, since it uses as much as digits as its factorization.

87120599 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 45360, while the sum is 41.

The square root of 87120599 is about 9333.8415992559. The cubic root of 87120599 is about 443.3094108988.

The spelling of 87120599 in words is "eighty-seven million, one hundred twenty thousand, five hundred ninety-nine".