80901098 has 4 divisors (see below), whose sum is σ = 121351650. Its totient is φ = 40450548.

The previous prime is 80901091. The next prime is 80901127. The reversal of 80901098 is 89010908.

It is a happy number.

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., 58782889 + 22118209 = 7667^2 + 4703^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (80901091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20225273 + ... + 20225276.

Almost surely, 2^80901098 is an apocalyptic number.

80901098 is a deficient number, since it is larger than the sum of its proper divisors (40450552).

80901098 is a wasteful number, since it uses less digits than its factorization.

80901098 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40450551.

The product of its (nonzero) digits is 5184, while the sum is 35.

The square root of 80901098 is about 8994.5037661897. The cubic root of 80901098 is about 432.4986989169.

The spelling of 80901098 in words is "eighty million, nine hundred one thousand, ninety-eight".