83199631 has 2 divisors, whose sum is σ = 83199632. Its totient is φ = 83199630.

The previous prime is 83199607. The next prime is 83199661. The reversal of 83199631 is 13699138.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 83199631 - 2²⁵ = 49645199 is a prime.

It is a super-2 number, since 2×83199631² = 13844357197072322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (83199661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41599815 + 41599816.

It is an arithmetic number, because the mean of its divisors is an integer number (41599816).

Almost surely, 2^83199631 is an apocalyptic number.

83199631 is a deficient number, since it is larger than the sum of its proper divisors (1).

83199631 is an equidigital number, since it uses as much as digits as its factorization.

83199631 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 34992, while the sum is 40.

The square root of 83199631 is about 9121.3831736201. The cubic root of 83199631 is about 436.5565078325.

The spelling of 83199631 in words is "eighty-three million, one hundred ninety-nine thousand, six hundred thirty-one".