1868897098 has 16 divisors (see below), whose sum is σ = 2854071360. Its totient is φ = 917575776.

The previous prime is 1868897081. The next prime is 1868897111. The reversal of 1868897098 is 8907988681.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 102115 + ... + 119017.

It is an arithmetic number, because the mean of its divisors is an integer number (178379460).

Almost surely, 2^1868897098 is an apocalyptic number.

1868897098 is a deficient number, since it is larger than the sum of its proper divisors (985174262).

1868897098 is a wasteful number, since it uses less digits than its factorization.

1868897098 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17901.

The product of its (nonzero) digits is 13934592, while the sum is 64.

The square root of 1868897098 is about 43230.7425103942. The cubic root of 1868897098 is about 1231.7667118331.

The spelling of 1868897098 in words is "one billion, eight hundred sixty-eight million, eight hundred ninety-seven thousand, ninety-eight".