81348098 has 16 divisors (see below), whose sum is σ = 131616576. Its totient is φ = 37485840.

The previous prime is 81348083. The next prime is 81348151. The reversal of 81348098 is 89084318.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17213 + ... + 21423.

It is an arithmetic number, because the mean of its divisors is an integer number (8226036).

Almost surely, 2^81348098 is an apocalyptic number.

81348098 is a deficient number, since it is larger than the sum of its proper divisors (50268478).

81348098 is a wasteful number, since it uses less digits than its factorization.

81348098 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4969.

The product of its (nonzero) digits is 55296, while the sum is 41.

The square root of 81348098 is about 9019.3180451739. The cubic root of 81348098 is about 433.2937929734.

The spelling of 81348098 in words is "eighty-one million, three hundred forty-eight thousand, ninety-eight".