83387956 has 12 divisors (see below), whose sum is σ = 146010592. Its totient is φ = 41670648.

The previous prime is 83387947. The next prime is 83387957. The reversal of 83387956 is 65978338.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83387957) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 4081 + ... + 13543.

Almost surely, 2^83387956 is an apocalyptic number.

It is an amenable number.

83387956 is a deficient number, since it is larger than the sum of its proper divisors (62622636).

83387956 is a wasteful number, since it uses less digits than its factorization.

83387956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11670 (or 11668 counting only the distinct ones).

The product of its digits is 1088640, while the sum is 49.

The square root of 83387956 is about 9131.7006083204. The cubic root of 83387956 is about 436.8856461132.

The spelling of 83387956 in words is "eighty-three million, three hundred eighty-seven thousand, nine hundred fifty-six".