83888386 has 4 divisors (see below), whose sum is σ = 125832582. Its totient is φ = 41944192.

The previous prime is 83888377. The next prime is 83888393. The reversal of 83888386 is 68388838.

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

It can be written as a sum of positive squares in only one way, i.e., 74494161 + 9394225 = 8631^2 + 3065^2 .

It is a super-2 number, since 2×83888386² = 14074522611369992, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20972095 + ... + 20972098.

Almost surely, 2^83888386 is an apocalyptic number.

83888386 is a deficient number, since it is larger than the sum of its proper divisors (41944196).

83888386 is a wasteful number, since it uses less digits than its factorization.

83888386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41944195.

The product of its digits is 1769472, while the sum is 52.

The square root of 83888386 is about 9159.0603229807. The cubic root of 83888386 is about 437.7578535476.

The spelling of 83888386 in words is "eighty-three million, eight hundred eighty-eight thousand, three hundred eighty-six".