86807436 has 12 divisors (see below), whose sum is σ = 202550712. Its totient is φ = 28935808.

The previous prime is 86807431. The next prime is 86807437. The reversal of 86807436 is 63470868.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (86807431) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3616965 + ... + 3616988.

It is an arithmetic number, because the mean of its divisors is an integer number (16879226).

Almost surely, 2^86807436 is an apocalyptic number.

It is an amenable number.

86807436 is an abundant number, since it is smaller than the sum of its proper divisors (115743276).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

86807436 is a wasteful number, since it uses less digits than its factorization.

86807436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7233960 (or 7233958 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 42.

The square root of 86807436 is about 9317.0508209411. The cubic root of 86807436 is about 442.7776010356. Note that the first 3 decimals are identical.

The spelling of 86807436 in words is "eighty-six million, eight hundred seven thousand, four hundred thirty-six".