68250977 has 8 divisors (see below), whose sum is σ = 70249536. Its totient is φ = 66260592.

The previous prime is 68250967. The next prime is 68250979. The reversal of 68250977 is 77905286.

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 68250977 - 2⁴ = 68250961 is a prime.

It is a super-2 number, since 2×68250977² = 9316391722909058, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68250979) 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, 17588 + ... + 21114.

It is an arithmetic number, because the mean of its divisors is an integer number (8781192).

Almost surely, 2^68250977 is an apocalyptic number.

It is an amenable number.

68250977 is a deficient number, since it is larger than the sum of its proper divisors (1998559).

68250977 is a wasteful number, since it uses less digits than its factorization.

68250977 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4087.

The product of its (nonzero) digits is 211680, while the sum is 44.

The square root of 68250977 is about 8261.4149514475. The cubic root of 68250977 is about 408.6670512850.

The spelling of 68250977 in words is "sixty-eight million, two hundred fifty thousand, nine hundred seventy-seven".