868612785701 has 2 divisors, whose sum is σ = 868612785702. Its totient is φ = 868612785700.

The previous prime is 868612785661. The next prime is 868612785709. The reversal of 868612785701 is 107587216868.

868612785701 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 749218349476 + 119394436225 = 865574^2 + 345535^2 .

It is a cyclic number.

It is not a de Polignac number, because 868612785701 - 2³⁴ = 851432916517 is a prime.

It is a super-2 number, since 2×868612785701² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (868612785709) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 434306392850 + 434306392851.

It is an arithmetic number, because the mean of its divisors is an integer number (434306392851).

Almost surely, 2^868612785701 is an apocalyptic number.

It is an amenable number.

868612785701 is a deficient number, since it is larger than the sum of its proper divisors (1).

868612785701 is an equidigital number, since it uses as much as digits as its factorization.

868612785701 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9031680, while the sum is 59.

The spelling of 868612785701 in words is "eight hundred sixty-eight billion, six hundred twelve million, seven hundred eighty-five thousand, seven hundred one".