86783369879 has 2 divisors, whose sum is σ = 86783369880. Its totient is φ = 86783369878.

The previous prime is 86783369831. The next prime is 86783369891. The reversal of 86783369879 is 97896338768.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 86783369879 - 2¹² = 86783365783 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (86783369779) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43391684939 + 43391684940.

It is an arithmetic number, because the mean of its divisors is an integer number (43391684940).

Almost surely, 2^86783369879 is an apocalyptic number.

86783369879 is a deficient number, since it is larger than the sum of its proper divisors (1).

86783369879 is an equidigital number, since it uses as much as digits as its factorization.

86783369879 is an evil number, because the sum of its binary digits is even.

The product of its digits is 658409472, while the sum is 74.

The spelling of 86783369879 in words is "eighty-six billion, seven hundred eighty-three million, three hundred sixty-nine thousand, eight hundred seventy-nine".