86345787 has 24 divisors (see below), whose sum is σ = 127597248. Its totient is φ = 51508800.

The previous prime is 86345783. The next prime is 86345797. The reversal of 86345787 is 78754368.

It is not a de Polignac number, because 86345787 - 2² = 86345783 is a prime.

It is not an unprimeable number, because it can be changed into a prime (86345783) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 175612 + ... + 176102.

It is an arithmetic number, because the mean of its divisors is an integer number (5316552).

Almost surely, 2^86345787 is an apocalyptic number.

86345787 is a deficient number, since it is larger than the sum of its proper divisors (41251461).

86345787 is a wasteful number, since it uses less digits than its factorization.

86345787 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 651 (or 578 counting only the distinct ones).

The product of its digits is 1128960, while the sum is 48.

The square root of 86345787 is about 9292.2433782160. The cubic root of 86345787 is about 441.9912964169.

The spelling of 86345787 in words is "eighty-six million, three hundred forty-five thousand, seven hundred eighty-seven".