68801477 has 4 divisors (see below), whose sum is σ = 68818380. Its totient is φ = 68784576.

The previous prime is 68801461. The next prime is 68801483. The reversal of 68801477 is 77410886.

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

It can be written as a sum of positive squares in 2 ways, for example, as 12716356 + 56085121 = 3566^2 + 7489^2 .

It is a cyclic number.

It is not a de Polignac number, because 68801477 - 2⁴ = 68801461 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 (68801417) 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, 1799 + ... + 11867.

It is an arithmetic number, because the mean of its divisors is an integer number (17204595).

Almost surely, 2^68801477 is an apocalyptic number.

It is an amenable number.

68801477 is a deficient number, since it is larger than the sum of its proper divisors (16903).

68801477 is a wasteful number, since it uses less digits than its factorization.

68801477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16902.

The product of its (nonzero) digits is 75264, while the sum is 41.

The square root of 68801477 is about 8294.6655749343. The cubic root of 68801477 is about 409.7628551279.

The spelling of 68801477 in words is "sixty-eight million, eight hundred one thousand, four hundred seventy-seven".