83628755 has 16 divisors (see below), whose sum is σ = 115276800. Its totient is φ = 57052512.

The previous prime is 83628751. The next prime is 83628767. The reversal of 83628755 is 55782638.

It is a cyclic number.

It is not a de Polignac number, because 83628755 - 2² = 83628751 is a prime.

It is not an unprimeable number, because it can be changed into a prime (83628751) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 962 + ... + 12968.

It is an arithmetic number, because the mean of its divisors is an integer number (7204800).

Almost surely, 2^83628755 is an apocalyptic number.

83628755 is a deficient number, since it is larger than the sum of its proper divisors (31648045).

83628755 is a wasteful number, since it uses less digits than its factorization.

83628755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12218.

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

The square root of 83628755 is about 9144.8758876214. The cubic root of 83628755 is about 437.3057728337.

The spelling of 83628755 in words is "eighty-three million, six hundred twenty-eight thousand, seven hundred fifty-five".