68507087 has 24 divisors (see below), whose sum is σ = 79817808. Its totient is φ = 58291200.

The previous prime is 68507081. The next prime is 68507099. The reversal of 68507087 is 78070586.

It is not a de Polignac number, because 68507087 - 2⁸ = 68506831 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 (68507081) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 354863 + ... + 355055.

It is an arithmetic number, because the mean of its divisors is an integer number (3325742).

Almost surely, 2^68507087 is an apocalyptic number.

68507087 is a deficient number, since it is larger than the sum of its proper divisors (11310721).

68507087 is a wasteful number, since it uses less digits than its factorization.

68507087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 311 (or 288 counting only the distinct ones).

The product of its (nonzero) digits is 94080, while the sum is 41.

The square root of 68507087 is about 8276.9008088777. The cubic root of 68507087 is about 409.1775840245.

The spelling of 68507087 in words is "sixty-eight million, five hundred seven thousand, eighty-seven".