84634947797 has 8 divisors (see below), whose sum is σ = 93509712576. Its totient is φ = 76193098432.

The previous prime is 84634947773. The next prime is 84634947853. The reversal of 84634947797 is 79774943648.

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 84634947797 - 2²⁰ = 84633899221 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84634947767) 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, 108228443 + ... + 108229224.

It is an arithmetic number, because the mean of its divisors is an integer number (11688714072).

Almost surely, 2^84634947797 is an apocalyptic number.

It is an amenable number.

84634947797 is a deficient number, since it is larger than the sum of its proper divisors (8874764779).

84634947797 is a wasteful number, since it uses less digits than its factorization.

84634947797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216457707.

The product of its digits is 256048128, while the sum is 68.

The spelling of 84634947797 in words is "eighty-four billion, six hundred thirty-four million, nine hundred forty-seven thousand, seven hundred ninety-seven".