60857234857 has 4 divisors (see below), whose sum is σ = 60877735380. Its totient is φ = 60836734336.

The previous prime is 60857234843. The next prime is 60857234861. The reversal of 60857234857 is 75843275806.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 75843275806 = 2 ⋅37921637903.

It can be written as a sum of positive squares in 2 ways, for example, as 19071333801 + 41785901056 = 138099^2 + 204416^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-60857234857 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 60857234798 and 60857234807.

It is not an unprimeable number, because it can be changed into a prime (60857234827) 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, 10245808 + ... + 10251745.

It is an arithmetic number, because the mean of its divisors is an integer number (15219433845).

Almost surely, 2^60857234857 is an apocalyptic number.

It is an amenable number.

60857234857 is a deficient number, since it is larger than the sum of its proper divisors (20500523).

60857234857 is a wasteful number, since it uses less digits than its factorization.

60857234857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20500522.

The product of its (nonzero) digits is 11289600, while the sum is 55.

The spelling of 60857234857 in words is "sixty billion, eight hundred fifty-seven million, two hundred thirty-four thousand, eight hundred fifty-seven".