868814901 has 6 divisors (see below), whose sum is σ = 1254954870. Its totient is φ = 579209928.

The previous prime is 868814861. The next prime is 868814927. The reversal of 868814901 is 109418868.

868814901 is a `hidden beast` number, since 86 + 8 + 81 + 490 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 839492676 + 29322225 = 28974^2 + 5415^2 .

It is not a de Polignac number, because 868814901 - 2²³ = 860426293 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (868814941) 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 5 ways as a sum of consecutive naturals, for example, 48267486 + ... + 48267503.

It is an arithmetic number, because the mean of its divisors is an integer number (209159145).

Almost surely, 2^868814901 is an apocalyptic number.

It is an amenable number.

868814901 is a deficient number, since it is larger than the sum of its proper divisors (386139969).

868814901 is a wasteful number, since it uses less digits than its factorization.

868814901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96534995 (or 96534992 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 45.

The square root of 868814901 is about 29475.6662520120. Note that the first 3 decimals coincide. The cubic root of 868814901 is about 954.2066091282.

The spelling of 868814901 in words is "eight hundred sixty-eight million, eight hundred fourteen thousand, nine hundred one".