82603791 has 12 divisors (see below), whose sum is σ = 120373968. Its totient is φ = 54581184.

The previous prime is 82603789. The next prime is 82603813. The reversal of 82603791 is 19730628.

It is not a de Polignac number, because 82603791 - 2¹ = 82603789 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82603751) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 39595 + ... + 41628.

It is an arithmetic number, because the mean of its divisors is an integer number (10031164).

Almost surely, 2^82603791 is an apocalyptic number.

82603791 is a deficient number, since it is larger than the sum of its proper divisors (37770177).

82603791 is a wasteful number, since it uses less digits than its factorization.

82603791 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81342 (or 81339 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 82603791 is about 9088.6627729276. The cubic root of 82603791 is about 435.5118667301.

The spelling of 82603791 in words is "eighty-two million, six hundred three thousand, seven hundred ninety-one".