68987266 has 8 divisors (see below), whose sum is σ = 103567500. Its totient is φ = 34464768.

The previous prime is 68987239. The next prime is 68987311. The reversal of 68987266 is 66278986.

It can be written as a sum of positive squares in 2 ways, for example, as 57229225 + 11758041 = 7565^2 + 3429^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11311 + ... + 16306.

Almost surely, 2^68987266 is an apocalyptic number.

68987266 is a deficient number, since it is larger than the sum of its proper divisors (34580234).

68987266 is a wasteful number, since it uses less digits than its factorization.

68987266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28868.

The product of its digits is 1741824, while the sum is 52.

The square root of 68987266 is about 8305.8573308238. The cubic root of 68987266 is about 410.1313598524.

The spelling of 68987266 in words is "sixty-eight million, nine hundred eighty-seven thousand, two hundred sixty-six".