83877825 has 12 divisors (see below), whose sum is σ = 138678128. Its totient is φ = 44734800.

The previous prime is 83877817. The next prime is 83877851. The reversal of 83877825 is 52877838.

It is not a de Polignac number, because 83877825 - 2³ = 83877817 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 559111 + ... + 559260.

Almost surely, 2^83877825 is an apocalyptic number.

It is an amenable number.

83877825 is a deficient number, since it is larger than the sum of its proper divisors (54800303).

83877825 is a wasteful number, since it uses less digits than its factorization.

83877825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1118384 (or 1118379 counting only the distinct ones).

The product of its digits is 752640, while the sum is 48.

The square root of 83877825 is about 9158.4837718915. The cubic root of 83877825 is about 437.7394824915.

The spelling of 83877825 in words is "eighty-three million, eight hundred seventy-seven thousand, eight hundred twenty-five".