83572856 has 8 divisors (see below), whose sum is σ = 156699120. Its totient is φ = 41786424.

The previous prime is 83572847. The next prime is 83572859. The reversal of 83572856 is 65827538.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-3 number, since 3×83572856³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83572859) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5223296 + ... + 5223311.

It is an arithmetic number, because the mean of its divisors is an integer number (19587390).

Almost surely, 2^83572856 is an apocalyptic number.

It is an amenable number.

83572856 is a deficient number, since it is larger than the sum of its proper divisors (73126264).

83572856 is a wasteful number, since it uses less digits than its factorization.

83572856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10446613 (or 10446609 counting only the distinct ones).

The product of its digits is 403200, while the sum is 44.

The square root of 83572856 is about 9141.8190749981. The cubic root of 83572856 is about 437.2083167059.

The spelling of 83572856 in words is "eighty-three million, five hundred seventy-two thousand, eight hundred fifty-six".