785000285020 has 72 divisors (see below), whose sum is σ = 1923170736816. Its totient is φ = 268367210496.

The previous prime is 785000284931. The next prime is 785000285033. The reversal of 785000285020 is 20582000587.

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, 814149 + ... + 1494268.

It is an arithmetic number, because the mean of its divisors is an integer number (26710704678).

Almost surely, 2^785000285020 is an apocalyptic number.

785000285020 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

785000285020 is an abundant number, since it is smaller than the sum of its proper divisors (1138170451796).

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

785000285020 is a wasteful number, since it uses less digits than its factorization.

785000285020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2308787 (or 2308778 counting only the distinct ones).

The product of its (nonzero) digits is 44800, while the sum is 37.

The spelling of 785000285020 in words is "seven hundred eighty-five billion, two hundred eighty-five thousand, twenty".