618888898 has 16 divisors (see below), whose sum is σ = 958890240. Its totient is φ = 299271600.

The previous prime is 618888887. The next prime is 618888901. The reversal of 618888898 is 898888816.

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, 173008 + ... + 176548.

It is an arithmetic number, because the mean of its divisors is an integer number (59930640).

Almost surely, 2^618888898 is an apocalyptic number.

618888898 is a deficient number, since it is larger than the sum of its proper divisors (340001342).

618888898 is a wasteful number, since it uses less digits than its factorization.

618888898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6393.

The product of its digits is 14155776, while the sum is 64.

The square root of 618888898 is about 24877.4777258467. The cubic root of 618888898 is about 852.1922180501.

The spelling of 618888898 in words is "six hundred eighteen million, eight hundred eighty-eight thousand, eight hundred ninety-eight".