82077903 has 6 divisors (see below), whose sum is σ = 118556984. Its totient is φ = 54718596.

The previous prime is 82077901. The next prime is 82077911. The reversal of 82077903 is 30977028.

It is not a de Polignac number, because 82077903 - 2¹ = 82077901 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 (82077901) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4559875 + ... + 4559892.

Almost surely, 2^82077903 is an apocalyptic number.

82077903 is a deficient number, since it is larger than the sum of its proper divisors (36479081).

82077903 is a wasteful number, since it uses less digits than its factorization.

82077903 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9119773 (or 9119770 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 36.

The square root of 82077903 is about 9059.6855905710. The cubic root of 82077903 is about 434.5856855762.

It can be divided in two parts, 8207 and 7903, that added together give a triangular number (16110 = T₁₇₉).

The spelling of 82077903 in words is "eighty-two million, seventy-seven thousand, nine hundred three".