87623803 has 2 divisors, whose sum is σ = 87623804. Its totient is φ = 87623802.

The previous prime is 87623773. The next prime is 87623821. The reversal of 87623803 is 30832678.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 87623803 - 2¹⁷ = 87492731 is a prime.

It is not a weakly prime, because it can be changed into another prime (87623843) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43811901 + 43811902.

It is an arithmetic number, because the mean of its divisors is an integer number (43811902).

Almost surely, 2^87623803 is an apocalyptic number.

87623803 is a deficient number, since it is larger than the sum of its proper divisors (1).

87623803 is an equidigital number, since it uses as much as digits as its factorization.

87623803 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48384, while the sum is 37.

The square root of 87623803 is about 9360.7586765176. The cubic root of 87623803 is about 444.1612834918.

The spelling of 87623803 in words is "eighty-seven million, six hundred twenty-three thousand, eight hundred three".