857597061 has 8 divisors (see below), whose sum is σ = 1157937280. Its totient is φ = 564494112.

The previous prime is 857597047. The next prime is 857597087. The reversal of 857597061 is 160795758.

857597061 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 857597061 - 2⁶ = 857596997 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 857597061.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (857597561) 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, 1809040 + ... + 1809513.

It is an arithmetic number, because the mean of its divisors is an integer number (144742160).

Almost surely, 2^857597061 is an apocalyptic number.

It is an amenable number.

857597061 is a deficient number, since it is larger than the sum of its proper divisors (300340219).

857597061 is a wasteful number, since it uses less digits than its factorization.

857597061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3618635.

The product of its (nonzero) digits is 529200, while the sum is 48.

The square root of 857597061 is about 29284.7581687130. The cubic root of 857597061 is about 950.0820099100.

The spelling of 857597061 in words is "eight hundred fifty-seven million, five hundred ninety-seven thousand, sixty-one".