10864856677 has 2 divisors, whose sum is σ = 10864856678. Its totient is φ = 10864856676.

The previous prime is 10864856663. The next prime is 10864856687. The reversal of 10864856677 is 77665846801.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10706247841 + 158608836 = 103471^2 + 12594^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10864856677 is a prime.

It is a super-2 number, since 2×10864856677² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10864856687) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5432428338 + 5432428339.

It is an arithmetic number, because the mean of its divisors is an integer number (5432428339).

Almost surely, 2^10864856677 is an apocalyptic number.

It is an amenable number.

10864856677 is a deficient number, since it is larger than the sum of its proper divisors (1).

10864856677 is an equidigital number, since it uses as much as digits as its factorization.

10864856677 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13547520, while the sum is 58.

The spelling of 10864856677 in words is "ten billion, eight hundred sixty-four million, eight hundred fifty-six thousand, six hundred seventy-seven".