86773819 has 6 divisors (see below), whose sum is σ = 95379620. Its totient is φ = 78885180.

The previous prime is 86773807. The next prime is 86773823. The reversal of 86773819 is 91837768.

It is not a de Polignac number, because 86773819 - 2¹⁵ = 86741051 is a prime.

It is a super-2 number, since 2×86773819² = 15059391327689522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86773889) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 358449 + ... + 358690.

Almost surely, 2^86773819 is an apocalyptic number.

86773819 is a deficient number, since it is larger than the sum of its proper divisors (8605801).

86773819 is a wasteful number, since it uses less digits than its factorization.

86773819 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 717161 (or 717150 counting only the distinct ones).

The product of its digits is 508032, while the sum is 49.

The square root of 86773819 is about 9315.2465882552. The cubic root of 86773819 is about 442.7204370524.

The spelling of 86773819 in words is "eighty-six million, seven hundred seventy-three thousand, eight hundred nineteen".