57043276397 has 4 divisors (see below), whose sum is σ = 57122614080. Its totient is φ = 56963938716.

The previous prime is 57043276393. The next prime is 57043276403. The reversal of 57043276397 is 79367234075.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 57043276397 - 2² = 57043276393 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 (57043276393) 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, 39667763 + ... + 39669200.

It is an arithmetic number, because the mean of its divisors is an integer number (14280653520).

Almost surely, 2^57043276397 is an apocalyptic number.

It is an amenable number.

57043276397 is a deficient number, since it is larger than the sum of its proper divisors (79337683).

57043276397 is an equidigital number, since it uses as much as digits as its factorization.

57043276397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79337682.

The product of its (nonzero) digits is 6667920, while the sum is 53.

The spelling of 57043276397 in words is "fifty-seven billion, forty-three million, two hundred seventy-six thousand, three hundred ninety-seven".