84616161547 has 4 divisors (see below), whose sum is σ = 84617011000. Its totient is φ = 84615312096.

The previous prime is 84616161541. The next prime is 84616161559. The reversal of 84616161547 is 74516161648.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 84616161547 - 2⁷ = 84616161419 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 84616161547.

It is not an unprimeable number, because it can be changed into a prime (84616161541) 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, 251853 + ... + 482350.

It is an arithmetic number, because the mean of its divisors is an integer number (21154252750).

Almost surely, 2^84616161547 is an apocalyptic number.

84616161547 is a deficient number, since it is larger than the sum of its proper divisors (849453).

84616161547 is a wasteful number, since it uses less digits than its factorization.

84616161547 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 849452.

The product of its digits is 967680, while the sum is 49.

The spelling of 84616161547 in words is "eighty-four billion, six hundred sixteen million, one hundred sixty-one thousand, five hundred forty-seven".