68487115 has 16 divisors (see below), whose sum is σ = 86793120. Its totient is φ = 51880032.

The previous prime is 68487113. The next prime is 68487119. The reversal of 68487115 is 51178486.

It is not a de Polignac number, because 68487115 - 2¹ = 68487113 is a prime.

It is not an unprimeable number, because it can be changed into a prime (68487113) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33297 + ... + 35293.

It is an arithmetic number, because the mean of its divisors is an integer number (5424570).

Almost surely, 2^68487115 is an apocalyptic number.

68487115 is a deficient number, since it is larger than the sum of its proper divisors (18306005).

68487115 is an equidigital number, since it uses as much as digits as its factorization.

68487115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2059 (or 2021 counting only the distinct ones).

The product of its digits is 53760, while the sum is 40.

The square root of 68487115 is about 8275.6942306975. The cubic root of 68487115 is about 409.1378173895.

The spelling of 68487115 in words is "sixty-eight million, four hundred eighty-seven thousand, one hundred fifteen".