99861083 has 4 divisors (see below), whose sum is σ = 114126960. Its totient is φ = 85595208.

The previous prime is 99861079. The next prime is 99861089. The reversal of 99861083 is 38016899.

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

It is a cyclic number.

It is not a de Polignac number, because 99861083 - 2² = 99861079 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (99861089) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7132928 + ... + 7132941.

It is an arithmetic number, because the mean of its divisors is an integer number (28531740).

Almost surely, 2^99861083 is an apocalyptic number.

99861083 is a deficient number, since it is larger than the sum of its proper divisors (14265877).

99861083 is a wasteful number, since it uses less digits than its factorization.

99861083 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14265876.

The product of its (nonzero) digits is 93312, while the sum is 44.

The square root of 99861083 is about 9993.0517360814. The cubic root of 99861083 is about 463.9438518934.

The spelling of 99861083 in words is "ninety-nine million, eight hundred sixty-one thousand, eighty-three".