857300069 has 16 divisors (see below), whose sum is σ = 897101568. Its totient is φ = 818580672.

The previous prime is 857300053. The next prime is 857300113. The reversal of 857300069 is 960003758.

857300069 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 857300069 - 2⁴ = 857300053 is a prime.

It is a super-2 number, since 2×857300069² = 1469926816614809522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (857300569) 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, 489854 + ... + 491600.

It is an arithmetic number, because the mean of its divisors is an integer number (56068848).

Almost surely, 2^857300069 is an apocalyptic number.

It is an amenable number.

857300069 is a deficient number, since it is larger than the sum of its proper divisors (39801499).

857300069 is a wasteful number, since it uses less digits than its factorization.

857300069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2044.

The product of its (nonzero) digits is 45360, while the sum is 38.

The square root of 857300069 is about 29279.6869689551. The cubic root of 857300069 is about 949.9723238475.

The spelling of 857300069 in words is "eight hundred fifty-seven million, three hundred thousand, sixty-nine".