86773823 has 2 divisors, whose sum is σ = 86773824. Its totient is φ = 86773822.

The previous prime is 86773807. The next prime is 86773853. The reversal of 86773823 is 32837768.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 86773823 - 2⁴ = 86773807 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (86773853) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43386911 + 43386912.

It is an arithmetic number, because the mean of its divisors is an integer number (43386912).

Almost surely, 2^86773823 is an apocalyptic number.

86773823 is a deficient number, since it is larger than the sum of its proper divisors (1).

86773823 is an equidigital number, since it uses as much as digits as its factorization.

86773823 is an evil number, because the sum of its binary digits is even.

The product of its digits is 338688, while the sum is 44.

The square root of 86773823 is about 9315.2468029570. The cubic root of 86773823 is about 442.7204438550.

The spelling of 86773823 in words is "eighty-six million, seven hundred seventy-three thousand, eight hundred twenty-three".