84697795723 has 4 divisors (see below), whose sum is σ = 84700289520. Its totient is φ = 84695301928.

The previous prime is 84697795717. The next prime is 84697795747. The reversal of 84697795723 is 32759779648.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 84697795723 - 2⁵ = 84697795691 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (84697795123) 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, 1195240 + ... + 1264117.

It is an arithmetic number, because the mean of its divisors is an integer number (21175072380).

Almost surely, 2^84697795723 is an apocalyptic number.

84697795723 is a deficient number, since it is larger than the sum of its proper divisors (2493797).

84697795723 is a wasteful number, since it uses less digits than its factorization.

84697795723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2493796.

The product of its digits is 160030080, while the sum is 67.

The spelling of 84697795723 in words is "eighty-four billion, six hundred ninety-seven million, seven hundred ninety-five thousand, seven hundred twenty-three".