68967957 has 4 divisors (see below), whose sum is σ = 91957280. Its totient is φ = 45978636.

The previous prime is 68967923. The next prime is 68967989. The reversal of 68967957 is 75976986.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 68967957 - 2¹¹ = 68965909 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 68967897 and 68967906.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68967907) 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, 11494657 + ... + 11494662.

It is an arithmetic number, because the mean of its divisors is an integer number (22989320).

Almost surely, 2^68967957 is an apocalyptic number.

It is an amenable number.

68967957 is a deficient number, since it is larger than the sum of its proper divisors (22989323).

68967957 is a wasteful number, since it uses less digits than its factorization.

68967957 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22989322.

The product of its digits is 5715360, while the sum is 57.

The square root of 68967957 is about 8304.6948769958. The cubic root of 68967957 is about 410.0930920877.

The spelling of 68967957 in words is "sixty-eight million, nine hundred sixty-seven thousand, nine hundred fifty-seven".