68959558 has 4 divisors (see below), whose sum is σ = 103439340. Its totient is φ = 34479778.

The previous prime is 68959529. The next prime is 68959567. The reversal of 68959558 is 85595986.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 68959499 and 68959508.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17239888 + ... + 17239891.

It is an arithmetic number, because the mean of its divisors is an integer number (25859835).

Almost surely, 2^68959558 is an apocalyptic number.

68959558 is a deficient number, since it is larger than the sum of its proper divisors (34479782).

68959558 is a wasteful number, since it uses less digits than its factorization.

68959558 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34479781.

The product of its digits is 3888000, while the sum is 55.

The square root of 68959558 is about 8304.1891837795. The cubic root of 68959558 is about 410.0764442034.

The spelling of 68959558 in words is "sixty-eight million, nine hundred fifty-nine thousand, five hundred fifty-eight".