83929825 has 12 divisors (see below), whose sum is σ = 118940800. Its totient is φ = 57551760.

The previous prime is 83929789. The next prime is 83929861. The reversal of 83929825 is 52892938.

It is an interprime number because it is at equal distance from previous prime (83929789) and next prime (83929861).

It is not a de Polignac number, because 83929825 - 2¹¹ = 83927777 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 239625 + ... + 239974.

Almost surely, 2^83929825 is an apocalyptic number.

It is an amenable number.

83929825 is a deficient number, since it is larger than the sum of its proper divisors (35010975).

83929825 is a wasteful number, since it uses less digits than its factorization.

83929825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 479616 (or 479611 counting only the distinct ones).

The product of its digits is 311040, while the sum is 46.

The square root of 83929825 is about 9161.3222298967. The cubic root of 83929825 is about 437.8299225685.

The spelling of 83929825 in words is "eighty-three million, nine hundred twenty-nine thousand, eight hundred twenty-five".