83494785 has 32 divisors (see below), whose sum is σ = 146155392. Its totient is φ = 40366080.

The previous prime is 83494771. The next prime is 83494813. The reversal of 83494785 is 58749438.

It is not a de Polignac number, because 83494785 - 2⁹ = 83494273 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 94767 + ... + 95643.

It is an arithmetic number, because the mean of its divisors is an integer number (4567356).

Almost surely, 2^83494785 is an apocalyptic number.

It is an amenable number.

83494785 is a deficient number, since it is larger than the sum of its proper divisors (62660607).

83494785 is a wasteful number, since it uses less digits than its factorization.

83494785 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1473.

The product of its digits is 967680, while the sum is 48.

The square root of 83494785 is about 9137.5480846888. The cubic root of 83494785 is about 437.0721324375.

The spelling of 83494785 in words is "eighty-three million, four hundred ninety-four thousand, seven hundred eighty-five".