83992511 has 2 divisors, whose sum is σ = 83992512. Its totient is φ = 83992510.

The previous prime is 83992421. The next prime is 83992541. The reversal of 83992511 is 11529938.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 83992511 - 2¹⁴ = 83976127 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (83992541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41996255 + 41996256.

It is an arithmetic number, because the mean of its divisors is an integer number (41996256).

Almost surely, 2^83992511 is an apocalyptic number.

83992511 is a deficient number, since it is larger than the sum of its proper divisors (1).

83992511 is an equidigital number, since it uses as much as digits as its factorization.

83992511 is an evil number, because the sum of its binary digits is even.

The product of its digits is 19440, while the sum is 38.

The square root of 83992511 is about 9164.7428223600. The cubic root of 83992511 is about 437.9388984358.

The spelling of 83992511 in words is "eighty-three million, nine hundred ninety-two thousand, five hundred eleven".