69868865 has 8 divisors (see below), whose sum is σ = 91464768. Its totient is φ = 50813680.

The previous prime is 69868817. The next prime is 69868889. The reversal of 69868865 is 56886896.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 69868865 - 2⁸ = 69868609 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 69868865.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 635117 + ... + 635226.

It is an arithmetic number, because the mean of its divisors is an integer number (11433096).

Almost surely, 2^69868865 is an apocalyptic number.

It is an amenable number.

69868865 is a deficient number, since it is larger than the sum of its proper divisors (21595903).

69868865 is a wasteful number, since it uses less digits than its factorization.

69868865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1270359.

The product of its digits is 4976640, while the sum is 56.

The square root of 69868865 is about 8358.7597764262. The cubic root of 69868865 is about 411.8710144659.

It can be divided in two parts, 6986 and 8865, that added together give a palindrome (15851).

The spelling of 69868865 in words is "sixty-nine million, eight hundred sixty-eight thousand, eight hundred sixty-five".