86321803 has 2 divisors, whose sum is σ = 86321804. Its totient is φ = 86321802.

The previous prime is 86321791. The next prime is 86321813. The reversal of 86321803 is 30812368.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-86321803 is a prime.

It is not a weakly prime, because it can be changed into another prime (86321813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43160901 + 43160902.

It is an arithmetic number, because the mean of its divisors is an integer number (43160902).

Almost surely, 2^86321803 is an apocalyptic number.

86321803 is a deficient number, since it is larger than the sum of its proper divisors (1).

86321803 is an equidigital number, since it uses as much as digits as its factorization.

86321803 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 86321803 is about 9290.9527498529. The cubic root of 86321803 is about 441.9503691125.

The spelling of 86321803 in words is "eighty-six million, three hundred twenty-one thousand, eight hundred three".