65457856027 has 8 divisors (see below), whose sum is σ = 67946490432. Its totient is φ = 63014884800.

The previous prime is 65457855977. The next prime is 65457856031. The reversal of 65457856027 is 72065875456.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 65457856027 - 2⁷ = 65457855899 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (65457856097) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11412874 + ... + 11418607.

It is an arithmetic number, because the mean of its divisors is an integer number (8493311304).

Almost surely, 2^65457856027 is an apocalyptic number.

65457856027 is a deficient number, since it is larger than the sum of its proper divisors (2488634405).

65457856027 is a wasteful number, since it uses less digits than its factorization.

65457856027 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22831589.

The product of its (nonzero) digits is 14112000, while the sum is 55.

The spelling of 65457856027 in words is "sixty-five billion, four hundred fifty-seven million, eight hundred fifty-six thousand, twenty-seven".