83406775 has 6 divisors (see below), whose sum is σ = 103424432. Its totient is φ = 66725400.

The previous prime is 83406749. The next prime is 83406839. The reversal of 83406775 is 57760438.

It is not a de Polignac number, because 83406775 - 2⁹ = 83406263 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1668111 + ... + 1668160.

Almost surely, 2^83406775 is an apocalyptic number.

83406775 is a deficient number, since it is larger than the sum of its proper divisors (20017657).

83406775 is a wasteful number, since it uses less digits than its factorization.

83406775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3336281 (or 3336276 counting only the distinct ones).

The product of its (nonzero) digits is 141120, while the sum is 40.

The square root of 83406775 is about 9132.7309716207. The cubic root of 83406775 is about 436.9185091027.

The spelling of 83406775 in words is "eighty-three million, four hundred six thousand, seven hundred seventy-five".