68900955 has 16 divisors (see below), whose sum is σ = 114043680. Its totient is φ = 35479808.

The previous prime is 68900927. The next prime is 68900957. The reversal of 68900955 is 55900986.

It is a cyclic number.

It is not a de Polignac number, because 68900955 - 2¹⁰ = 68899931 is a prime.

It is not an unprimeable number, because it can be changed into a prime (68900957) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 78762 + ... + 79631.

It is an arithmetic number, because the mean of its divisors is an integer number (7127730).

Almost surely, 2^68900955 is an apocalyptic number.

68900955 is a deficient number, since it is larger than the sum of its proper divisors (45142725).

68900955 is a wasteful number, since it uses less digits than its factorization.

68900955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158430.

The product of its (nonzero) digits is 97200, while the sum is 42.

The square root of 68900955 is about 8300.6599135249. The cubic root of 68900955 is about 409.9602479801.

The spelling of 68900955 in words is "sixty-eight million, nine hundred thousand, nine hundred fifty-five".