68860655 has 16 divisors (see below), whose sum is σ = 87196800. Its totient is φ = 52060320.

The previous prime is 68860651. The next prime is 68860661. The reversal of 68860655 is 55606886.

It is not a de Polignac number, because 68860655 - 2² = 68860651 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68860651) 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, 58220 + ... + 59390.

It is an arithmetic number, because the mean of its divisors is an integer number (5449800).

Almost surely, 2^68860655 is an apocalyptic number.

68860655 is a deficient number, since it is larger than the sum of its proper divisors (18336145).

68860655 is a wasteful number, since it uses less digits than its factorization.

68860655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1814.

The product of its (nonzero) digits is 345600, while the sum is 44.

The square root of 68860655 is about 8298.2320406217. The cubic root of 68860655 is about 409.8803041431.

The spelling of 68860655 in words is "sixty-eight million, eight hundred sixty thousand, six hundred fifty-five".