83861130 has 32 divisors (see below), whose sum is σ = 201797568. Its totient is φ = 22304000.

The previous prime is 83861111. The next prime is 83861147. The reversal of 83861130 is 3116838.

It is a Harshad number since it is a multiple of its sum of digits (30).

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 15 ways as a sum of consecutive naturals, for example, 8545 + ... + 15515.

It is an arithmetic number, because the mean of its divisors is an integer number (6306174).

Almost surely, 2^83861130 is an apocalyptic number.

83861130 is an abundant number, since it is smaller than the sum of its proper divisors (117936438).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

83861130 is a wasteful number, since it uses less digits than its factorization.

83861130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7382.

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 83861130 is about 9157.5722765371. The cubic root of 83861130 is about 437.7104380825.

Adding to 83861130 its reverse (3116838), we get a palindrome (86977968).

The spelling of 83861130 in words is "eighty-three million, eight hundred sixty-one thousand, one hundred thirty".