68653811 has 6 divisors (see below), whose sum is σ = 69134436. Its totient is φ = 68176500.

The previous prime is 68653801. The next prime is 68653829. The reversal of 68653811 is 11835686.

It is a happy number.

It is not a de Polignac number, because 68653811 - 2¹⁴ = 68637427 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68653801) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 21296 + ... + 24306.

It is an arithmetic number, because the mean of its divisors is an integer number (11522406).

Almost surely, 2^68653811 is an apocalyptic number.

68653811 is a deficient number, since it is larger than the sum of its proper divisors (480625).

68653811 is an equidigital number, since it uses as much as digits as its factorization.

68653811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3313 (or 3162 counting only the distinct ones).

The product of its digits is 34560, while the sum is 38.

The square root of 68653811 is about 8285.7595306646. The cubic root of 68653811 is about 409.4694923262.

The spelling of 68653811 in words is "sixty-eight million, six hundred fifty-three thousand, eight hundred eleven".