82347707 has 4 divisors (see below), whose sum is σ = 88682160. Its totient is φ = 76013256.

The previous prime is 82347701. The next prime is 82347719. The reversal of 82347707 is 70774328.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 82347707 - 2¹⁶ = 82282171 is a prime.

It is a super-2 number, since 2×82347707² = 13562289696315698, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82347701) 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, 3167207 + ... + 3167232.

It is an arithmetic number, because the mean of its divisors is an integer number (22170540).

Almost surely, 2^82347707 is an apocalyptic number.

82347707 is a deficient number, since it is larger than the sum of its proper divisors (6334453).

82347707 is a wasteful number, since it uses less digits than its factorization.

82347707 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6334452.

The product of its (nonzero) digits is 65856, while the sum is 38.

The square root of 82347707 is about 9074.5637360702. The cubic root of 82347707 is about 435.0613503993.

The spelling of 82347707 in words is "eighty-two million, three hundred forty-seven thousand, seven hundred seven".