860411957 has 2 divisors, whose sum is σ = 860411958. Its totient is φ = 860411956.

The previous prime is 860411879. The next prime is 860411969. The reversal of 860411957 is 759114068.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 658743556 + 201668401 = 25666^2 + 14201^2 .

It is a cyclic number.

It is not a de Polignac number, because 860411957 - 2¹⁴ = 860395573 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (860411987) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 430205978 + 430205979.

It is an arithmetic number, because the mean of its divisors is an integer number (430205979).

Almost surely, 2^860411957 is an apocalyptic number.

It is an amenable number.

860411957 is a deficient number, since it is larger than the sum of its proper divisors (1).

860411957 is an equidigital number, since it uses as much as digits as its factorization.

860411957 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 60480, while the sum is 41.

The square root of 860411957 is about 29332.7795648486. The cubic root of 860411957 is about 951.1203613100.

The spelling of 860411957 in words is "eight hundred sixty million, four hundred eleven thousand, nine hundred fifty-seven".