84831797 has 8 divisors (see below), whose sum is σ = 88839744. Its totient is φ = 80850528.

The previous prime is 84831749. The next prime is 84831811. The reversal of 84831797 is 79713848.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 84831797 - 2¹⁰ = 84830773 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 (84831707) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8 + ... + 13025.

It is an arithmetic number, because the mean of its divisors is an integer number (11104968).

Almost surely, 2^84831797 is an apocalyptic number.

It is an amenable number.

84831797 is a deficient number, since it is larger than the sum of its proper divisors (4007947).

84831797 is a wasteful number, since it uses less digits than its factorization.

84831797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13339.

The product of its digits is 338688, while the sum is 47.

The square root of 84831797 is about 9210.4178515418. The cubic root of 84831797 is about 439.3927521936.

The spelling of 84831797 in words is "eighty-four million, eight hundred thirty-one thousand, seven hundred ninety-seven".