83812903 has 2 divisors, whose sum is σ = 83812904. Its totient is φ = 83812902.

The previous prime is 83812877. The next prime is 83812909. The reversal of 83812903 is 30921838.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 83812903 - 2¹³ = 83804711 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (83812909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41906451 + 41906452.

It is an arithmetic number, because the mean of its divisors is an integer number (41906452).

Almost surely, 2^83812903 is an apocalyptic number.

83812903 is a deficient number, since it is larger than the sum of its proper divisors (1).

83812903 is an equidigital number, since it uses as much as digits as its factorization.

83812903 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10368, while the sum is 34.

The square root of 83812903 is about 9154.9387218048. The cubic root of 83812903 is about 437.6265155742.

The spelling of 83812903 in words is "eighty-three million, eight hundred twelve thousand, nine hundred three".