83987083 has 2 divisors, whose sum is σ = 83987084. Its totient is φ = 83987082.

The previous prime is 83987081. The next prime is 83987117. The reversal of 83987083 is 38078938.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 83987083 - 2¹ = 83987081 is a prime.

It is a super-2 number, since 2×83987083² = 14107660221697778, which contains 22 as substring.

Together with 83987081, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (83987081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41993541 + 41993542.

It is an arithmetic number, because the mean of its divisors is an integer number (41993542).

Almost surely, 2^83987083 is an apocalyptic number.

83987083 is a deficient number, since it is larger than the sum of its proper divisors (1).

83987083 is an equidigital number, since it uses as much as digits as its factorization.

83987083 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 290304, while the sum is 46.

The square root of 83987083 is about 9164.4466826972. The cubic root of 83987083 is about 437.9294643266.

The spelling of 83987083 in words is "eighty-three million, nine hundred eighty-seven thousand, eighty-three".