83214172 has 6 divisors (see below), whose sum is σ = 145624808. Its totient is φ = 41607084.

The previous prime is 83214151. The next prime is 83214193. The reversal of 83214172 is 27141238.

It is an interprime number because it is at equal distance from previous prime (83214151) and next prime (83214193).

It is a self number, because there is not a number n which added to its sum of digits gives 83214172.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10401768 + ... + 10401775.

Almost surely, 2^83214172 is an apocalyptic number.

It is an amenable number.

83214172 is a deficient number, since it is larger than the sum of its proper divisors (62410636).

83214172 is a wasteful number, since it uses less digits than its factorization.

83214172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20803547 (or 20803545 counting only the distinct ones).

The product of its digits is 2688, while the sum is 28.

The square root of 83214172 is about 9122.1802218549. The cubic root of 83214172 is about 436.5819390286.

The spelling of 83214172 in words is "eighty-three million, two hundred fourteen thousand, one hundred seventy-two".