86819607 has 40 divisors (see below), whose sum is σ = 156041600. Its totient is φ = 46994256.

The previous prime is 86819599. The next prime is 86819617. The reversal of 86819607 is 70691868.

It is a happy number.

It is not a de Polignac number, because 86819607 - 2³ = 86819599 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86819617) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 6744 + ... + 14802.

It is an arithmetic number, because the mean of its divisors is an integer number (3901040).

Almost surely, 2^86819607 is an apocalyptic number.

86819607 is a deficient number, since it is larger than the sum of its proper divisors (69221993).

86819607 is a wasteful number, since it uses less digits than its factorization.

86819607 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8097 (or 8088 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 45.

The square root of 86819607 is about 9317.7039553744. The cubic root of 86819607 is about 442.7982935577.

The spelling of 86819607 in words is "eighty-six million, eight hundred nineteen thousand, six hundred seven".