68786963 has 4 divisors (see below), whose sum is σ = 78613680. Its totient is φ = 58960248.

The previous prime is 68786933. The next prime is 68786969. The reversal of 68786963 is 36968786.

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

It is a cyclic number.

It is not a de Polignac number, because 68786963 - 2²² = 64592659 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68786969) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4913348 + ... + 4913361.

It is an arithmetic number, because the mean of its divisors is an integer number (19653420).

Almost surely, 2^68786963 is an apocalyptic number.

68786963 is a deficient number, since it is larger than the sum of its proper divisors (9826717).

68786963 is an equidigital number, since it uses as much as digits as its factorization.

68786963 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9826716.

The product of its digits is 2612736, while the sum is 53.

The square root of 68786963 is about 8293.7906291394. The cubic root of 68786963 is about 409.7340392914.

The spelling of 68786963 in words is "sixty-eight million, seven hundred eighty-six thousand, nine hundred sixty-three".