57760861 has 2 divisors, whose sum is σ = 57760862. Its totient is φ = 57760860.

The previous prime is 57760853. The next prime is 57760867. The reversal of 57760861 is 16806775.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 45292900 + 12467961 = 6730^2 + 3531^2 .

It is a cyclic number.

It is not a de Polignac number, because 57760861 - 2³ = 57760853 is a prime.

It is a super-2 number, since 2×57760861² = 6672634126922642, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57760867) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28880430 + 28880431.

It is an arithmetic number, because the mean of its divisors is an integer number (28880431).

Almost surely, 2^57760861 is an apocalyptic number.

It is an amenable number.

57760861 is a deficient number, since it is larger than the sum of its proper divisors (1).

57760861 is an equidigital number, since it uses as much as digits as its factorization.

57760861 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 70560, while the sum is 40.

The square root of 57760861 is about 7600.0566445257. The cubic root of 57760861 is about 386.5549326218.

The spelling of 57760861 in words is "fifty-seven million, seven hundred sixty thousand, eight hundred sixty-one".