68761087 has 8 divisors (see below), whose sum is σ = 70339104. Its totient is φ = 67193568.

The previous prime is 68761079. The next prime is 68761097. The reversal of 68761087 is 78016786.

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 68761087 - 2³ = 68761079 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68761037) 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, 11473 + ... + 16405.

It is an arithmetic number, because the mean of its divisors is an integer number (8792388).

Almost surely, 2^68761087 is an apocalyptic number.

68761087 is a deficient number, since it is larger than the sum of its proper divisors (1578017).

68761087 is a wasteful number, since it uses less digits than its factorization.

68761087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5249.

The product of its (nonzero) digits is 112896, while the sum is 43.

The square root of 68761087 is about 8292.2305201918. The cubic root of 68761087 is about 409.6826554862.

The spelling of 68761087 in words is "sixty-eight million, seven hundred sixty-one thousand, eighty-seven".