68853771 has 18 divisors (see below), whose sum is σ = 115693812. Its totient is φ = 39344760.

The previous prime is 68853769. The next prime is 68853773. The reversal of 68853771 is 17735886.

It is an interprime number because it is at equal distance from previous prime (68853769) and next prime (68853773).

It is not a de Polignac number, because 68853771 - 2¹ = 68853769 is a prime.

It is not an unprimeable number, because it can be changed into a prime (68853773) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 77625 + ... + 78506.

It is an arithmetic number, because the mean of its divisors is an integer number (6427434).

Almost surely, 2^68853771 is an apocalyptic number.

68853771 is a deficient number, since it is larger than the sum of its proper divisors (46840041).

68853771 is a wasteful number, since it uses less digits than its factorization.

68853771 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156151 (or 156141 counting only the distinct ones).

The product of its digits is 282240, while the sum is 45.

The square root of 68853771 is about 8297.8172431068. The cubic root of 68853771 is about 409.8666451093.

The spelling of 68853771 in words is "sixty-eight million, eight hundred fifty-three thousand, seven hundred seventy-one".