860430085477 has 2 divisors, whose sum is σ = 860430085478. Its totient is φ = 860430085476.

The previous prime is 860430085439. The next prime is 860430085481. The reversal of 860430085477 is 774580034068.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 606445332516 + 253984752961 = 778746^2 + 503969^2 .

It is a cyclic number.

It is not a de Polignac number, because 860430085477 - 2⁷ = 860430085349 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (860430085577) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 430215042738 + 430215042739.

It is an arithmetic number, because the mean of its divisors is an integer number (430215042739).

Almost surely, 2^860430085477 is an apocalyptic number.

It is an amenable number.

860430085477 is a deficient number, since it is larger than the sum of its proper divisors (1).

860430085477 is an equidigital number, since it uses as much as digits as its factorization.

860430085477 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4515840, while the sum is 52.

The spelling of 860430085477 in words is "eight hundred sixty billion, four hundred thirty million, eighty-five thousand, four hundred seventy-seven".