82405701 has 48 divisors (see below), whose sum is σ = 143184000. Its totient is φ = 46702656.

The previous prime is 82405699. The next prime is 82405703. The reversal of 82405701 is 10750428.

It is an interprime number because it is at equal distance from previous prime (82405699) and next prime (82405703).

It is not a de Polignac number, because 82405701 - 2¹ = 82405699 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82405703) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 263121 + ... + 263433.

It is an arithmetic number, because the mean of its divisors is an integer number (2983000).

Almost surely, 2^82405701 is an apocalyptic number.

It is an amenable number.

82405701 is a deficient number, since it is larger than the sum of its proper divisors (60778299).

82405701 is a wasteful number, since it uses less digits than its factorization.

82405701 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 535 (or 522 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 27.

The square root of 82405701 is about 9077.7585889910. The cubic root of 82405701 is about 435.1634581898.

The spelling of 82405701 in words is "eighty-two million, four hundred five thousand, seven hundred one".