57978703 has 2 divisors, whose sum is σ = 57978704. Its totient is φ = 57978702.

The previous prime is 57978677. The next prime is 57978719. The reversal of 57978703 is 30787975.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 57978703 - 2⁹ = 57978191 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57978733) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28989351 + 28989352.

It is an arithmetic number, because the mean of its divisors is an integer number (28989352).

Almost surely, 2^57978703 is an apocalyptic number.

57978703 is a deficient number, since it is larger than the sum of its proper divisors (1).

57978703 is an equidigital number, since it uses as much as digits as its factorization.

57978703 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 370440, while the sum is 46.

The square root of 57978703 is about 7614.3747609374. The cubic root of 57978703 is about 387.0402800674.

The spelling of 57978703 in words is "fifty-seven million, nine hundred seventy-eight thousand, seven hundred three".