84813807 has 16 divisors (see below), whose sum is σ = 122027360. Its totient is φ = 52088832.

The previous prime is 84813797. The next prime is 84813821. The reversal of 84813807 is 70831848.

It is not a de Polignac number, because 84813807 - 2⁴ = 84813791 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84813007) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20619 + ... + 24387.

It is an arithmetic number, because the mean of its divisors is an integer number (7626710).

Almost surely, 2^84813807 is an apocalyptic number.

84813807 is a deficient number, since it is larger than the sum of its proper divisors (37213553).

84813807 is a wasteful number, since it uses less digits than its factorization.

84813807 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4362.

The product of its (nonzero) digits is 43008, while the sum is 39.

The square root of 84813807 is about 9209.4411882589. The cubic root of 84813807 is about 439.3616898061.

The spelling of 84813807 in words is "eighty-four million, eight hundred thirteen thousand, eight hundred seven".