69850889 has 4 divisors (see below), whose sum is σ = 70401024. Its totient is φ = 69300756.

The previous prime is 69850831. The next prime is 69850919. The reversal of 69850889 is 98805896.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-69850889 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 69850889.

It is not an unprimeable number, because it can be changed into a prime (69820889) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 274877 + ... + 275130.

It is an arithmetic number, because the mean of its divisors is an integer number (17600256).

Almost surely, 2^69850889 is an apocalyptic number.

It is an amenable number.

69850889 is a deficient number, since it is larger than the sum of its proper divisors (550135).

69850889 is a wasteful number, since it uses less digits than its factorization.

69850889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 550134.

The product of its (nonzero) digits is 1244160, while the sum is 53.

The square root of 69850889 is about 8357.6844281176. The cubic root of 69850889 is about 411.8356891060.

The spelling of 69850889 in words is "sixty-nine million, eight hundred fifty thousand, eight hundred eighty-nine".