84857365 has 8 divisors (see below), whose sum is σ = 102418488. Its totient is φ = 67492800.

The previous prime is 84857351. The next prime is 84857369. The reversal of 84857365 is 56375848.

It can be written as a sum of positive squares in 4 ways, for example, as 7540516 + 77316849 = 2746^2 + 8793^2 .

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

It is not a de Polignac number, because 84857365 - 2¹¹ = 84855317 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84857369) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48186 + ... + 49915.

It is an arithmetic number, because the mean of its divisors is an integer number (12802311).

Almost surely, 2^84857365 is an apocalyptic number.

It is an amenable number.

84857365 is a deficient number, since it is larger than the sum of its proper divisors (17561123).

84857365 is a wasteful number, since it uses less digits than its factorization.

84857365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98279.

The product of its digits is 806400, while the sum is 46.

The square root of 84857365 is about 9211.8057404615. The cubic root of 84857365 is about 439.4368915604.

The spelling of 84857365 in words is "eighty-four million, eight hundred fifty-seven thousand, three hundred sixty-five".