83940785310 has 32 divisors (see below), whose sum is σ = 202093421472. Its totient is φ = 22313594240.

The previous prime is 83940785287. The next prime is 83940785321. The reversal of 83940785310 is 1358704938.

It is a super-2 number, since 2×83940785310² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 83940785310.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4403781 + ... + 4422800.

It is an arithmetic number, because the mean of its divisors is an integer number (6315419421).

Almost surely, 2^83940785310 is an apocalyptic number.

83940785310 is an abundant number, since it is smaller than the sum of its proper divisors (118152636162).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

83940785310 is a wasteful number, since it uses less digits than its factorization.

83940785310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8826908.

The product of its (nonzero) digits is 725760, while the sum is 48.

The spelling of 83940785310 in words is "eighty-three billion, nine hundred forty million, seven hundred eighty-five thousand, three hundred ten".