57403068787 has 4 divisors (see below), whose sum is σ = 57404014816. Its totient is φ = 57402122760.

The previous prime is 57403068721. The next prime is 57403068799. The reversal of 57403068787 is 78786030475.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-57403068787 is a prime.

It is a super-2 number, since 2×57403068787² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57403068487) 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, 375264 + ... + 505597.

It is an arithmetic number, because the mean of its divisors is an integer number (14351003704).

Almost surely, 2^57403068787 is an apocalyptic number.

57403068787 is a deficient number, since it is larger than the sum of its proper divisors (946029).

57403068787 is an equidigital number, since it uses as much as digits as its factorization.

57403068787 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 946028.

The product of its (nonzero) digits is 7902720, while the sum is 55.

The spelling of 57403068787 in words is "fifty-seven billion, four hundred three million, sixty-eight thousand, seven hundred eighty-seven".