83072856 has 16 divisors (see below), whose sum is σ = 207682200. Its totient is φ = 27690944.

The previous prime is 83072833. The next prime is 83072879. The reversal of 83072856 is 65827038.

It is an interprime number because it is at equal distance from previous prime (83072833) and next prime (83072879).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1730661 + ... + 1730708.

Almost surely, 2^83072856 is an apocalyptic number.

It is an amenable number.

83072856 is an abundant number, since it is smaller than the sum of its proper divisors (124609344).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

83072856 is a wasteful number, since it uses less digits than its factorization.

83072856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3461378 (or 3461374 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 39.

The square root of 83072856 is about 9114.4311945398. The cubic root of 83072856 is about 436.3346615546.

The spelling of 83072856 in words is "eighty-three million, seventy-two thousand, eight hundred fifty-six".