2608172898 has 16 divisors (see below), whose sum is σ = 5220979680. Its totient is φ = 868618656.

The previous prime is 2608172881. The next prime is 2608172909. The reversal of 2608172898 is 8982718062.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 2608172898.

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, 185740 + ... + 199287.

It is an arithmetic number, because the mean of its divisors is an integer number (326311230).

Almost surely, 2^2608172898 is an apocalyptic number.

2608172898 is an abundant number, since it is smaller than the sum of its proper divisors (2612806782).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2608172898 is a wasteful number, since it uses less digits than its factorization.

2608172898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 386161.

The product of its (nonzero) digits is 774144, while the sum is 51.

The square root of 2608172898 is about 51070.2741132256. The cubic root of 2608172898 is about 1376.5081674002.

The spelling of 2608172898 in words is "two billion, six hundred eight million, one hundred seventy-two thousand, eight hundred ninety-eight".