68888296 has 8 divisors (see below), whose sum is σ = 129165570. Its totient is φ = 34444144.

The previous prime is 68888269. The next prime is 68888297. The reversal of 68888296 is 69288886.

It can be written as a sum of positive squares in only one way, i.e., 62568100 + 6320196 = 7910^2 + 2514^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (68888297) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4305511 + ... + 4305526.

Almost surely, 2^68888296 is an apocalyptic number.

It is an amenable number.

68888296 is a deficient number, since it is larger than the sum of its proper divisors (60277274).

68888296 is a wasteful number, since it uses less digits than its factorization.

68888296 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8611043 (or 8611039 counting only the distinct ones).

The product of its digits is 2654208, while the sum is 55.

The square root of 68888296 is about 8299.8973487628. The cubic root of 68888296 is about 409.9351394523.

The spelling of 68888296 in words is "sixty-eight million, eight hundred eighty-eight thousand, two hundred ninety-six".