86786379 has 6 divisors (see below), whose sum is σ = 125358116. Its totient is φ = 57857580.

The previous prime is 86786363. The next prime is 86786407. The reversal of 86786379 is 97368768.

It is not a de Polignac number, because 86786379 - 2⁴ = 86786363 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86786279) 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, 4821457 + ... + 4821474.

Almost surely, 2^86786379 is an apocalyptic number.

86786379 is a deficient number, since it is larger than the sum of its proper divisors (38571737).

86786379 is a wasteful number, since it uses less digits than its factorization.

86786379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9642937 (or 9642934 counting only the distinct ones).

The product of its digits is 3048192, while the sum is 54.

The square root of 86786379 is about 9315.9207274429. The cubic root of 86786379 is about 442.7417964151.

The spelling of 86786379 in words is "eighty-six million, seven hundred eighty-six thousand, three hundred seventy-nine".