83387650 has 48 divisors (see below), whose sum is σ = 164721600. Its totient is φ = 31338560.

The previous prime is 83387641. The next prime is 83387651. The reversal of 83387650 is 5678338.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (83387651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 67236 + ... + 68464.

It is an arithmetic number, because the mean of its divisors is an integer number (3431700).

Almost surely, 2^83387650 is an apocalyptic number.

83387650 is a deficient number, since it is larger than the sum of its proper divisors (81333950).

83387650 is a wasteful number, since it uses less digits than its factorization.

83387650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1323 (or 1318 counting only the distinct ones).

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

The square root of 83387650 is about 9131.6838534851. The cubic root of 83387650 is about 436.8851117148.

The spelling of 83387650 in words is "eighty-three million, three hundred eighty-seven thousand, six hundred fifty".