68152487 has 8 divisors (see below), whose sum is σ = 77258160. Its totient is φ = 59598720.

The previous prime is 68152459. The next prime is 68152501. The reversal of 68152487 is 78425186.

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

It is a cyclic number.

It is not a de Polignac number, because 68152487 - 2¹² = 68148391 is a prime.

It is a super-2 number, since 2×68152487² = 9289522968570338, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68152457) 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, 137714 + ... + 138207.

It is an arithmetic number, because the mean of its divisors is an integer number (9657270).

Almost surely, 2^68152487 is an apocalyptic number.

68152487 is a deficient number, since it is larger than the sum of its proper divisors (9105673).

68152487 is a wasteful number, since it uses less digits than its factorization.

68152487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275953.

The product of its digits is 107520, while the sum is 41.

The square root of 68152487 is about 8255.4519561318. The cubic root of 68152487 is about 408.4703801358.

The spelling of 68152487 in words is "sixty-eight million, one hundred fifty-two thousand, four hundred eighty-seven".