68886047 has 2 divisors, whose sum is σ = 68886048. Its totient is φ = 68886046.

The previous prime is 68886017. The next prime is 68886053. The reversal of 68886047 is 74068886.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 68886047 - 2¹⁴ = 68869663 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 68885992 and 68886010.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68886017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34443023 + 34443024.

It is an arithmetic number, because the mean of its divisors is an integer number (34443024).

Almost surely, 2^68886047 is an apocalyptic number.

68886047 is a deficient number, since it is larger than the sum of its proper divisors (1).

68886047 is an equidigital number, since it uses as much as digits as its factorization.

68886047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 516096, while the sum is 47.

The square root of 68886047 is about 8299.7618640537. The cubic root of 68886047 is about 409.9306783454.

The spelling of 68886047 in words is "sixty-eight million, eight hundred eighty-six thousand, forty-seven".