86736773 has 2 divisors, whose sum is σ = 86736774. Its totient is φ = 86736772.

The previous prime is 86736763. The next prime is 86736781. The reversal of 86736773 is 37763768.

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., 79245604 + 7491169 = 8902^2 + 2737^2 .

It is a cyclic number.

It is not a de Polignac number, because 86736773 - 2¹⁶ = 86671237 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (86736763) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43368386 + 43368387.

It is an arithmetic number, because the mean of its divisors is an integer number (43368387).

Almost surely, 2^86736773 is an apocalyptic number.

It is an amenable number.

86736773 is a deficient number, since it is larger than the sum of its proper divisors (1).

86736773 is an equidigital number, since it uses as much as digits as its factorization.

86736773 is an evil number, because the sum of its binary digits is even.

The product of its digits is 889056, while the sum is 47.

The square root of 86736773 is about 9313.2579154665. The cubic root of 86736773 is about 442.6574251283.

The spelling of 86736773 in words is "eighty-six million, seven hundred thirty-six thousand, seven hundred seventy-three".