86380933 has 2 divisors, whose sum is σ = 86380934. Its totient is φ = 86380932.

The previous prime is 86380913. The next prime is 86380949. The reversal of 86380933 is 33908368.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 48902049 + 37478884 = 6993^2 + 6122^2 .

It is a cyclic number.

It is not a de Polignac number, because 86380933 - 2⁵ = 86380901 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (86380913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43190466 + 43190467.

It is an arithmetic number, because the mean of its divisors is an integer number (43190467).

Almost surely, 2^86380933 is an apocalyptic number.

It is an amenable number.

86380933 is a deficient number, since it is larger than the sum of its proper divisors (1).

86380933 is an equidigital number, since it uses as much as digits as its factorization.

86380933 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 93312, while the sum is 40.

The square root of 86380933 is about 9294.1343330081. The cubic root of 86380933 is about 442.0512573385.

It can be divided in two parts, 863 and 80933, that added together give a square (81796 = 286²).

The spelling of 86380933 in words is "eighty-six million, three hundred eighty thousand, nine hundred thirty-three".