68980927 has 4 divisors (see below), whose sum is σ = 69101056. Its totient is φ = 68860800.

The previous prime is 68980889. The next prime is 68980943. The reversal of 68980927 is 72908986.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 68980927 - 2⁷ = 68980799 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68980627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 59199 + ... + 60352.

It is an arithmetic number, because the mean of its divisors is an integer number (17275264).

Almost surely, 2^68980927 is an apocalyptic number.

68980927 is a deficient number, since it is larger than the sum of its proper divisors (120129).

68980927 is a wasteful number, since it uses less digits than its factorization.

68980927 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120128.

The product of its (nonzero) digits is 435456, while the sum is 49.

The square root of 68980927 is about 8305.4757238824. The cubic root of 68980927 is about 410.1187976194.

The spelling of 68980927 in words is "sixty-eight million, nine hundred eighty thousand, nine hundred twenty-seven".