83630785 has 8 divisors (see below), whose sum is σ = 114693696. Its totient is φ = 57346800.

The previous prime is 83630773. The next prime is 83630797. The reversal of 83630785 is 58703638.

It is an interprime number because it is at equal distance from previous prime (83630773) and next prime (83630797).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 83630785 - 2⁵ = 83630753 is a prime.

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

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1194691 + ... + 1194760.

It is an arithmetic number, because the mean of its divisors is an integer number (14336712).

Almost surely, 2^83630785 is an apocalyptic number.

It is an amenable number.

83630785 is a deficient number, since it is larger than the sum of its proper divisors (31062911).

83630785 is a wasteful number, since it uses less digits than its factorization.

83630785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2389463.

The product of its (nonzero) digits is 120960, while the sum is 40.

The square root of 83630785 is about 9144.9868780660. The cubic root of 83630785 is about 437.3093111841.

The spelling of 83630785 in words is "eighty-three million, six hundred thirty thousand, seven hundred eighty-five".