83878190 has 16 divisors (see below), whose sum is σ = 164706480. Its totient is φ = 30501120.

The previous prime is 83878189. The next prime is 83878229. The reversal of 83878190 is 9187838.

It is a super-2 number, since 2×83878190² = 14071101515352200, which contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 381155 + ... + 381374.

It is an arithmetic number, because the mean of its divisors is an integer number (10294155).

Almost surely, 2^83878190 is an apocalyptic number.

83878190 is a deficient number, since it is larger than the sum of its proper divisors (80828290).

83878190 is a wasteful number, since it uses less digits than its factorization.

83878190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 762547.

The product of its (nonzero) digits is 96768, while the sum is 44.

The square root of 83878190 is about 9158.5036987490. The cubic root of 83878190 is about 437.7401174416.

The spelling of 83878190 in words is "eighty-three million, eight hundred seventy-eight thousand, one hundred ninety".