82430473647 has 24 divisors (see below), whose sum is σ = 120247549488. Its totient is φ = 50052629760.

The previous prime is 82430473583. The next prime is 82430473661. The reversal of 82430473647 is 74637403428.

It is not a de Polignac number, because 82430473647 - 2⁶ = 82430473583 is a prime.

It is a super-2 number, since 2×82430473647² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 82430473596 and 82430473605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82430473847) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 791928 + ... + 889949.

It is an arithmetic number, because the mean of its divisors is an integer number (5010314562).

Almost surely, 2^82430473647 is an apocalyptic number.

82430473647 is a deficient number, since it is larger than the sum of its proper divisors (37817075841).

82430473647 is a wasteful number, since it uses less digits than its factorization.

82430473647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1681959 (or 1681928 counting only the distinct ones).

The product of its (nonzero) digits is 2709504, while the sum is 48.

The spelling of 82430473647 in words is "eighty-two billion, four hundred thirty million, four hundred seventy-three thousand, six hundred forty-seven".