84734744885 has 24 divisors (see below), whose sum is σ = 122645765376. Its totient is φ = 55045720800.

The previous prime is 84734744873. The next prime is 84734744951. The reversal of 84734744885 is 58844743748.

It is not a de Polignac number, because 84734744885 - 2¹⁶ = 84734679349 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3340541 + ... + 3365810.

It is an arithmetic number, because the mean of its divisors is an integer number (5110240224).

Almost surely, 2^84734744885 is an apocalyptic number.

It is an amenable number.

84734744885 is a deficient number, since it is larger than the sum of its proper divisors (37911020491).

84734744885 is a wasteful number, since it uses less digits than its factorization.

84734744885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6706401 (or 6706382 counting only the distinct ones).

The product of its digits is 96337920, while the sum is 62.

The spelling of 84734744885 in words is "eighty-four billion, seven hundred thirty-four million, seven hundred forty-four thousand, eight hundred eighty-five".