84517033905 has 16 divisors (see below), whose sum is σ = 150252504960. Its totient is φ = 45075751344.

The previous prime is 84517033871. The next prime is 84517033907. The reversal of 84517033905 is 50933071548.

It is not a de Polignac number, because 84517033905 - 2⁸ = 84517033649 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (84517033907) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 313025917 + ... + 313026186.

It is an arithmetic number, because the mean of its divisors is an integer number (9390781560).

Almost surely, 2^84517033905 is an apocalyptic number.

It is an amenable number.

84517033905 is a deficient number, since it is larger than the sum of its proper divisors (65735471055).

84517033905 is a wasteful number, since it uses less digits than its factorization.

84517033905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 626052117 (or 626052111 counting only the distinct ones).

The product of its (nonzero) digits is 453600, while the sum is 45.

The spelling of 84517033905 in words is "eighty-four billion, five hundred seventeen million, thirty-three thousand, nine hundred five".