84616923247 has 4 divisors (see below), whose sum is σ = 84645407176. Its totient is φ = 84588439320.

The previous prime is 84616923217. The next prime is 84616923271. The reversal of 84616923247 is 74232961648.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-84616923247 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 84616923194 and 84616923203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84616923217) 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, 14237508 + ... + 14243449.

It is an arithmetic number, because the mean of its divisors is an integer number (21161351794).

Almost surely, 2^84616923247 is an apocalyptic number.

84616923247 is a deficient number, since it is larger than the sum of its proper divisors (28483929).

84616923247 is a wasteful number, since it uses less digits than its factorization.

84616923247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28483928.

The product of its digits is 3483648, while the sum is 52.

The spelling of 84616923247 in words is "eighty-four billion, six hundred sixteen million, nine hundred twenty-three thousand, two hundred forty-seven".