82903709 has 4 divisors (see below), whose sum is σ = 94747104. Its totient is φ = 71060316.

The previous prime is 82903657. The next prime is 82903727. The reversal of 82903709 is 90730928.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 82903709 - 2²⁴ = 66126493 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82903409) 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, 5921687 + ... + 5921700.

It is an arithmetic number, because the mean of its divisors is an integer number (23686776).

Almost surely, 2^82903709 is an apocalyptic number.

It is an amenable number.

82903709 is a deficient number, since it is larger than the sum of its proper divisors (11843395).

82903709 is a wasteful number, since it uses less digits than its factorization.

82903709 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11843394.

The product of its (nonzero) digits is 27216, while the sum is 38.

The square root of 82903709 is about 9105.1473903501. The cubic root of 82903709 is about 436.0383158679.

The spelling of 82903709 in words is "eighty-two million, nine hundred three thousand, seven hundred nine".