68508998 has 8 divisors (see below), whose sum is σ = 102916008. Its totient is φ = 34203664.

The previous prime is 68508983. The next prime is 68509013. The reversal of 68508998 is 89980586.

It is an interprime number because it is at equal distance from previous prime (68508983) and next prime (68509013).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23711 + ... + 26442.

It is an arithmetic number, because the mean of its divisors is an integer number (12864501).

Almost surely, 2^68508998 is an apocalyptic number.

68508998 is a deficient number, since it is larger than the sum of its proper divisors (34407010).

68508998 is a wasteful number, since it uses less digits than its factorization.

68508998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50838.

The product of its (nonzero) digits is 1244160, while the sum is 53.

The square root of 68508998 is about 8277.0162498330. The cubic root of 68508998 is about 409.1813886484.

The spelling of 68508998 in words is "sixty-eight million, five hundred eight thousand, nine hundred ninety-eight".