68188377 has 8 divisors (see below), whose sum is σ = 96266016. Its totient is φ = 42784832.

The previous prime is 68188361. The next prime is 68188387. The reversal of 68188377 is 77388186.

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

It is a cyclic number.

It is not a de Polignac number, because 68188377 - 2⁴ = 68188361 is a prime.

It is not an unprimeable number, because it can be changed into a prime (68188357) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 668463 + ... + 668564.

It is an arithmetic number, because the mean of its divisors is an integer number (12033252).

Almost surely, 2^68188377 is an apocalyptic number.

It is an amenable number.

68188377 is a deficient number, since it is larger than the sum of its proper divisors (28077639).

68188377 is a wasteful number, since it uses less digits than its factorization.

68188377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1337047.

The product of its digits is 451584, while the sum is 48.

The square root of 68188377 is about 8257.6253850608. The cubic root of 68188377 is about 408.5420695192.

The spelling of 68188377 in words is "sixty-eight million, one hundred eighty-eight thousand, three hundred seventy-seven".