80298266 has 4 divisors (see below), whose sum is σ = 120447402. Its totient is φ = 40149132.

The previous prime is 80298263. The next prime is 80298287. The reversal of 80298266 is 66289208.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 79584241 + 714025 = 8921^2 + 845^2 .

It is not an unprimeable number, because it can be changed into a prime (80298263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20074565 + ... + 20074568.

Almost surely, 2^80298266 is an apocalyptic number.

80298266 is a deficient number, since it is larger than the sum of its proper divisors (40149136).

80298266 is a wasteful number, since it uses less digits than its factorization.

80298266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40149135.

The product of its (nonzero) digits is 82944, while the sum is 41.

The square root of 80298266 is about 8960.9299740596. The cubic root of 80298266 is about 431.4217693953.

The spelling of 80298266 in words is "eighty million, two hundred ninety-eight thousand, two hundred sixty-six".