860656157 has 2 divisors, whose sum is σ = 860656158. Its totient is φ = 860656156.

The previous prime is 860656103. The next prime is 860656201. The reversal of 860656157 is 751656068.

It is an a-pointer prime, because the next prime (860656201) can be obtained adding 860656157 to its sum of digits (44).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 686125636 + 174530521 = 26194^2 + 13211^2 .

It is a cyclic number.

It is not a de Polignac number, because 860656157 - 2¹² = 860652061 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (860655157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 430328078 + 430328079.

It is an arithmetic number, because the mean of its divisors is an integer number (430328079).

Almost surely, 2^860656157 is an apocalyptic number.

It is an amenable number.

860656157 is a deficient number, since it is larger than the sum of its proper divisors (1).

860656157 is an equidigital number, since it uses as much as digits as its factorization.

860656157 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 302400, while the sum is 44.

The square root of 860656157 is about 29336.9418481204. The cubic root of 860656157 is about 951.2103343437.

The spelling of 860656157 in words is "eight hundred sixty million, six hundred fifty-six thousand, one hundred fifty-seven".