83630207 has 4 divisors (see below), whose sum is σ = 85001256. Its totient is φ = 82259160.

The previous prime is 83630203. The next prime is 83630221. The reversal of 83630207 is 70203638.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 70203638 = 2 ⋅35101819.

It is a cyclic number.

It is not a de Polignac number, because 83630207 - 2² = 83630203 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 83630207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83630203) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 685433 + ... + 685554.

It is an arithmetic number, because the mean of its divisors is an integer number (21250314).

Almost surely, 2^83630207 is an apocalyptic number.

83630207 is a deficient number, since it is larger than the sum of its proper divisors (1371049).

83630207 is a wasteful number, since it uses less digits than its factorization.

83630207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1371048.

The product of its (nonzero) digits is 6048, while the sum is 29.

The square root of 83630207 is about 9144.9552759978. The cubic root of 83630207 is about 437.3083037187.

The spelling of 83630207 in words is "eighty-three million, six hundred thirty thousand, two hundred seven".