68148890347 has 8 divisors (see below), whose sum is σ = 69129997200. Its totient is φ = 67174766880.

The previous prime is 68148890323. The next prime is 68148890371. The reversal of 68148890347 is 74309884186.

It is an interprime number because it is at equal distance from previous prime (68148890323) and next prime (68148890371).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 68148890347 - 2⁷ = 68148890219 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 68148890291 and 68148890300.

It is not an unprimeable number, because it can be changed into a prime (68148890317) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1726188 + ... + 1765225.

It is an arithmetic number, because the mean of its divisors is an integer number (8641249650).

Almost surely, 2^68148890347 is an apocalyptic number.

68148890347 is a deficient number, since it is larger than the sum of its proper divisors (981106853).

68148890347 is a wasteful number, since it uses less digits than its factorization.

68148890347 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3491693.

The product of its (nonzero) digits is 9289728, while the sum is 58.

The spelling of 68148890347 in words is "sixty-eight billion, one hundred forty-eight million, eight hundred ninety thousand, three hundred forty-seven".