85980299 has 2 divisors, whose sum is σ = 85980300. Its totient is φ = 85980298.

The previous prime is 85980289. The next prime is 85980313. The reversal of 85980299 is 99208958.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 85980299 - 2²⁴ = 69203083 is a prime.

It is a super-2 number, since 2×85980299² = 14785223632258802, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (85980259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42990149 + 42990150.

It is an arithmetic number, because the mean of its divisors is an integer number (42990150).

Almost surely, 2^85980299 is an apocalyptic number.

85980299 is a deficient number, since it is larger than the sum of its proper divisors (1).

85980299 is an equidigital number, since it uses as much as digits as its factorization.

85980299 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 466560, while the sum is 50.

The square root of 85980299 is about 9272.5562279233. The cubic root of 85980299 is about 441.3667881229.

The spelling of 85980299 in words is "eighty-five million, nine hundred eighty thousand, two hundred ninety-nine".