82945263 has 8 divisors (see below), whose sum is σ = 112244608. Its totient is φ = 54471384.

The previous prime is 82945259. The next prime is 82945283. The reversal of 82945263 is 36254928.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 82945263 - 2² = 82945259 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 (82945283) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 206131 + ... + 206532.

It is an arithmetic number, because the mean of its divisors is an integer number (14030576).

Almost surely, 2^82945263 is an apocalyptic number.

82945263 is a deficient number, since it is larger than the sum of its proper divisors (29299345).

82945263 is a wasteful number, since it uses less digits than its factorization.

82945263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 412733.

The product of its digits is 103680, while the sum is 39.

The square root of 82945263 is about 9107.4290005468. The cubic root of 82945263 is about 436.1111558326. Note that the first 4 decimals are identical.

The spelling of 82945263 in words is "eighty-two million, nine hundred forty-five thousand, two hundred sixty-three".