84739366390 has 16 divisors (see below), whose sum is σ = 174320982432. Its totient is φ = 29053497024.

The previous prime is 84739366379. The next prime is 84739366403. The reversal of 84739366390 is 9366393748.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 605281119 + ... + 605281258.

It is an arithmetic number, because the mean of its divisors is an integer number (10895061402).

Almost surely, 2^84739366390 is an apocalyptic number.

84739366390 is an abundant number, since it is smaller than the sum of its proper divisors (89581616042).

84739366390 is a wasteful number, since it uses less digits than its factorization.

84739366390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1210562391.

The product of its (nonzero) digits is 17635968, while the sum is 58.

The spelling of 84739366390 in words is "eighty-four billion, seven hundred thirty-nine million, three hundred sixty-six thousand, three hundred ninety".