83730886 has 4 divisors (see below), whose sum is σ = 125596332. Its totient is φ = 41865442.

The previous prime is 83730883. The next prime is 83730887. The reversal of 83730886 is 68803738.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×83730886² = 14021722540689992, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83730883) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20932720 + ... + 20932723.

It is an arithmetic number, because the mean of its divisors is an integer number (31399083).

Almost surely, 2^83730886 is an apocalyptic number.

83730886 is a deficient number, since it is larger than the sum of its proper divisors (41865446).

83730886 is a wasteful number, since it uses less digits than its factorization.

83730886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41865445.

The product of its (nonzero) digits is 193536, while the sum is 43.

The square root of 83730886 is about 9150.4582398916. The cubic root of 83730886 is about 437.4837192309.

The spelling of 83730886 in words is "eighty-three million, seven hundred thirty thousand, eight hundred eighty-six".