86202973 has 2 divisors, whose sum is σ = 86202974. Its totient is φ = 86202972.

The previous prime is 86202967. The next prime is 86202979. The reversal of 86202973 is 37920268.

It is a balanced prime because it is at equal distance from previous prime (86202967) and next prime (86202979).

It can be written as a sum of positive squares in only one way, i.e., 75724804 + 10478169 = 8702^2 + 3237^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-86202973 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (86202979) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43101486 + 43101487.

It is an arithmetic number, because the mean of its divisors is an integer number (43101487).

Almost surely, 2^86202973 is an apocalyptic number.

It is an amenable number.

86202973 is a deficient number, since it is larger than the sum of its proper divisors (1).

86202973 is an equidigital number, since it uses as much as digits as its factorization.

86202973 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36288, while the sum is 37.

The square root of 86202973 is about 9284.5556167218. Note that the first 3 decimals coincide. The cubic root of 86202973 is about 441.7474807068.

The spelling of 86202973 in words is "eighty-six million, two hundred two thousand, nine hundred seventy-three".