83825455 has 32 divisors (see below), whose sum is σ = 121264128. Its totient is φ = 54384000.

The previous prime is 83825437. The next prime is 83825471. The reversal of 83825455 is 55452838.

It is not a de Polignac number, because 83825455 - 2⁷ = 83825327 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 80790 + ... + 81820.

It is an arithmetic number, because the mean of its divisors is an integer number (3789504).

Almost surely, 2^83825455 is an apocalyptic number.

83825455 is a deficient number, since it is larger than the sum of its proper divisors (37438673).

83825455 is a wasteful number, since it uses less digits than its factorization.

83825455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1167.

The product of its digits is 192000, while the sum is 40.

The square root of 83825455 is about 9155.6242277630. The cubic root of 83825455 is about 437.6483611120.

The spelling of 83825455 in words is "eighty-three million, eight hundred twenty-five thousand, four hundred fifty-five".