65857342758 has 16 divisors (see below), whose sum is σ = 132751810560. Its totient is φ = 21779593416.

The previous prime is 65857342757. The next prime is 65857342801. The reversal of 65857342758 is 85724375856.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65857342757) 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, 43212718 + ... + 43214241.

It is an arithmetic number, because the mean of its divisors is an integer number (8296988160).

Almost surely, 2^65857342758 is an apocalyptic number.

65857342758 is an abundant number, since it is smaller than the sum of its proper divisors (66894467802).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

65857342758 is a wasteful number, since it uses less digits than its factorization.

65857342758 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86427091.

The product of its digits is 56448000, while the sum is 60.

The spelling of 65857342758 in words is "sixty-five billion, eight hundred fifty-seven million, three hundred forty-two thousand, seven hundred fifty-eight".